Relevant bibliographies by topics / Echinodermata

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  2. Dissertations / Theses
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Academic literature on the topic 'Echinodermata'

Author: Grafiati
Published: 4 June 2021
Last updated: 30 July 2024

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Journal articles on the topic "Echinodermata"

1

Putri, Ardita Elok Mahendra, Sunaryo Sunaryo, and Hadi Endrawati. "Perbandingan Jenis dan Jumlah Echinodermata Di Perairan Pantai Krakal Gunung Kidul Yogyakarta Dan Pantai Pailus Jepara, Jawa Tengah." Journal of Marine Research 8, no. 2 (May 1, 2019): 127–40. http://dx.doi.org/10.14710/jmr.v8i2.25090.

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Echinodermata merupakan biota yang dapat ditemukan hampir di semua ekosistem laut. Echinodermata cukup melimpah keberadaannya di kawasan terumbu karang, hal ini karena terumbu karang berperan sebagai tempat berlindung dan mencari makan bagi Echinodermata. Dalam rantai makanan, Echinodermata memiliki peranan sebagai pemakan seston atau detritus, dan merombak sisa bahan organik. Echinodermata juga berperan sebagai bioindikator parameter kualitas perairan. Penelitian ini bertujuan untuk mengetahui kelimpahan Echinodermata yang terdapat di Pantai Krakal, Gunung Kidul, Yogyakarta dan Pantai Pailus, Jepara, Jawa Tengah. Metode yang digunakan dalam penelitian ini yaitu metode deskriptif. Pengambilan sampel pada penelitian ini menggunakan metode transek kuadran dengan ukuran 1x1m. Hasil pengamatan di Pantai Krakal ditemukan 2 kelas dari filum Echinodermata, antara lain 3 species dari Kelas Ophiuroidea yaitu Ophiocoma erinaceus, Ophiocoma scolopendrina, Ophiarachna affinis, dan 3 species dari Kelas Echinoidea yaitu Echinometra viridis, Echinometra oblonga, dan Stomopneustes variolaris. Sedangkan jenis Echinodermata yang ditemukan di Pantai Pailus ditemukan 1 Kelas Echinodermata yaitu Holothuridea yang terdiri dari 3 spesies, yaitu Holothuria atra, Holothuria scabra, dan Holothuria leucospilota. Hasil penelitian menunjukkan kelimpahan individu tertinggi penelitian di Pantai Krakal adalah Ophiocoma scolopendrina (7,05 ind/m²),sedangkan kelimpahan individu tertinggi di Pantai Pailus adalah Holothuria scabra (2,13 ind/m²). Echinodermata is a biota that can be found almost in all marine ecosystems. Echinodermata quite abundant presence in the area coral reefs, because it serves as shelter and feed for Echinodermata. In the food chain, Echinodermata has a role as a seston eater or dentrite, and remodel the rest of the organic material. Echinodermata also serves as a bioindicator of water quality parameters. This study aims to determine the abundance of Echinodermata found in Krakal Beach, Gunung Kidul, Yogyakarta and Pailus Beach, Jepara, Central Java. The method used in this research was descriptive method. Sampling in this research used quadrant transect method with size 1x1m. The results of observation on Krakal Beach found 2 classes of Echinodermata phylum, among others 3 species of Ophiuroidea namely Ophiocoma erinaceus, Ophiocoma scolopendrina, Ophiarachna affinis, and 3 species of Echinoidea is Echinometra viridis, Echinometra oblonga, and Stomopneustes variolaris. While the type of Echinodermata found in Pailus Beach found 1 Class Echinodermata is Holothuridea consisting of 3 species, namely Holothuria atra, Holothuria scabra, and Holothuria leucospilota. The results showed the highest individual abundance of research on Krakal Beach was Ophiocoma scolopendrina (7,05 ind/m²), while the highest individual abundance in Pailus Beach was Holothuria scabra (2,13 ind/m²).
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Prasetio, Darma, Ratna Suharti, Hendra Irawan, Aditya Bramana, Meuthia Aula Jabbar, Dadan Zulkifli, and Siti Mira Rahayu. "STRUKTUR KOMUNITAS ECHINODERMATA PADA EKOSISTEM LAMUN DI GILI GEDE, LOMBOK BARAT, NUSA TENGGARA BARAT." Jurnal Perikanan Unram 14, no. 1 (March 8, 2024): 29–40. http://dx.doi.org/10.29303/jp.v14i1.709.

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Secara ekologis echinodermata berperan sebagai pemakan sampah organik atau detritus yang berasal dari sisa hewan dan tumbuhan untuk membersihkan sampah organik di lautan, salah satu habitat echinodermata terdapat di ekosistem lamun. Tujuan penelitian ini adalah mengetahui kerapatan lamun dan kelimpahan echinodermata, indeks biologi (Keanekaragaman, keseragaman, dan dominansi) lamun dan echinodermata serta kondisi perairannya. Metode pengumpulan data lamun dan echinodermata menggunakan transek tegak lurus sepanjang 100 meter dengan plot tansek Kuadran 1 x 1 m² untuk echinodermata dan Kuadran 50 x 50 cm² untuk lamun. Kerapatan jenis lamun pada stasiun II Halophila ovalis dengan nilai 1.294,2 ind/m2 dan stasiun III dari jenis Halophila minor, Halodule pinifolia, dan Syringodium isoetifolium dan stasiun IV jenis Halophila ovalis dengan kerapatan jenis 0 ind/m2. Sebaran echinodermata yang ditemukan di empat stasiun pengamatan terbagi menjadi 18 jenis dari 5 kelas echinodermata yang ditemukan, jenis terbanyak yang ditemukan adalah di stasiun IV dengan jumlah 588 ind/m² dan terendah pada stasiun III dengan jumlah 85 ind/m2.
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Misnawati, Misnawati, Muhammad Ahsin Rifa'i, and Putri Mudhlika Lestarina. "HUBUNGAN STRUKTUR KOMUNITAS ECHINODERMATA TERHADAP KERAPATAN LAMUN DI PERAIRAN TANJUNG SUNGKAI KECAMATAN PULAU LAUT TANJUNG SELAYAR KABUPATEN KOTABARU." Marine Coastal and Small Islands Journal - Jurnal Ilmu Kelautan 3, no. 2 (January 28, 2024): 1. http://dx.doi.org/10.20527/m.v3i2.11772.

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Padang lamun adalah salah satu ekosistem yang menyangga berbagai kehidupan di laut. Berbagai macam biota hidup disekitar padang lamun salah satunya adalah Echinodermata. Echinodermata memiliki peranan sebagai pemakan detritus pada tumbuhan lamun. Echinodermata dan lamun dapat digunakan untuk melihat tingkat kesesuaian suatu habitat bagi keberadaan spesies yang hidup pada ekosistem padang lamun. Tujuan penelitian ini untuk mengetahui Echinodermata dan lamun di Perairan Tanjung Sungkai Kecamatan Pulau Laut Tanjung Selayar Kabupaten Kotabaru. Penelitian ini dilaksanakan pada bulan Januari-Desember 2021. Metode yang digunakan metode kuadrat yang diletakkan pada garis transek dengan ukuran tiap kuadran 1x1 m. Hubungan Echinodermata dan lamun dianalisis dengan regresi linier sederhana. Hasil penelitian menunjukkan terdapat 4 spesies Echinodermata dan 7 spesies lamun. Keanekaragaman, keseragaman, dan dominasi Echinodermata pada setiap stasiun adalah rendah. Echinodermata dan lamun menunjukkan hasil tidak memiliki hubungan yang signifikan. Faktor yang mempengaruhi adalah faktor jenis lamun yang disukai oleh biota tertentu, faktor kualitas perairan, faktor substrat dan ada faktor gangguan.
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Pakpahan, Herlina Lestari, Irwani Irwani, and Ita Widowati. "Komposisi dan Kelimpahan Ophiuroidea dan Echinoidea di Perairan Pantai Pok Tunggal, Gunung Kidul, Yogyakarta." Journal of Marine Research 9, no. 2 (April 25, 2020): 109–18. http://dx.doi.org/10.14710/jmr.v9i2.26101.

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ABSTRAK: Echinodermata merupakan salah satu komponen penting dalam keaneka ragaman fauna di ekosistem pantai. Habitat utama echinodermata adalah terumbu karang, hal ini karena terumbu karang berperan sebagai tempat berlindung dan mencari makan bagi fauna echinodermata. Salah satu penyebaran biota ini adalah di perairan rataan terumbu karang pantai selatan di pantai Pok Tunggal, Gunung Kidul, Yogyakarta. Tujuan penelitian ini adalah untuk mengetahui jenis dan struktur komunitas echinodermata di pantai Pok Tunggal, kabupaten Gunung Kidul, Yogyakarta. Penelitian ini dilaksanakan pada bulan Juli 2019 di pantai Pok Tunggal. Metode pengambilan data kelimpahan menggunakan metode transek kuadrat berukuran 1x1 m, parameter kualitas perairan yang diukur adalah salinitas, DO, pH, serta suhu. Analisis data meliputi identifikasi spesies, kelimpahan jenis (ind/m2), indeks keanekaragaman, indeks keseragaman dan indeks dominansi. Hasil pengamatan ditemukan beberapa spesies, dari 2 kelas filum echinodermata, antara lain 2 species dari kelas Ophiuroidea yaitu Ophiocoma erinaceus dan Ophiocoma dentata, 3 species dari kelas Echinoidea yaitu Echinometra oblonga, Echinometra mathei dan Echinothrix diadema. Hasil penelitian menunjukkan kelimpahan individu tertinggi adalah Echinometra oblonga (16,6 ind/m2) dan terendah adalah Echinothrix diadema (0,4 ind/m2). Parameter lingkungan perairan di pantai Pok Tunggal pada setiap stasiun masih menunjang kehidupan Echinodermata. Struktur komunitas echinodermata yaitu nilai indeks keanekaragaman (H‟) berkisar antara 0,667-1,198, nilai indeks keseragaman (E) berkisar antara 0,744 - 0,999 dan nilai indeks dominansi (C) berkisar berkisar 0,308 - 0,525. ABSTRACT: Echinoderms are one of important component of fauna diversity in coastal ecosystems. The main habitat of Echinoderms is coral reefs, because coral reefs act as a shelter and food for echinoderms fauna. This species distributed in the flat waters of the coral reefs of the south coast at Pok Tunggal beach, Gunung Kidul, Yogyakarta. The aim of this study was to determine the species and Community Structure of echinoderms on the Pok Tunggal beach, Gunung Kidul Regency, Yogyakarta. This research was conducted in July 2018 at Pok Tunggal Beach. Sampling was done by using transect quadrant measuring 1x1 m. Parameter of water quality was salinity, DO, pH, and temperature. Data analysis includes species abundance (ind/m2), diversity index, uniformity index and dominance index. The result showed that several species of Echinodermal phylum classes, including 2 species of Ophiuroidea class namely Ophiocoma erinaceus and Ophiocoma dentata, 3 species of Echinoidea class namely Echinometra oblonga, Echinometra mathei and Echinothrix diadema. The highest individual abundance was Echinometra oblonga (16,6 ind/m2) and the lowest was Echinothrix diadema (0,4 ind/m2). The environmental conditions of the waters at the Pok Tunggal beach at each station can support the life of echinoderms. Echinoderms community structure, namely diversity index (H ') ranges from 0,667-1,198, uniformity index (E) ranges from 0,744-0,999 and dominance index value ranges (C) ranges from 0,308-0,525.
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Fitriyah, Ainun, Suryanti Suryanti, and Siti Rudiyanti. "HUBUNGAN TUTUPAN KARANG DENGAN KEANEKARAGAMAN ECHINODERMATA DI PULAU KARIMUNJAWA, JEPARA." Jurnal Pasir Laut 4, no. 1 (February 28, 2020): 52–59. http://dx.doi.org/10.14710/jpl.2020.30527.

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Wilayah terumbu karang merupakan perairan yang memiliki produktivitas dan keanekaragaman yang tinggi. Perairan dengan kondisi karang yang baik akan menjadi habitat yang disenangi oleh berbagai macam biota, salah satunya dari filum Echinodermata. Echinodermata merupakan hewan pemakan serasah yang penting dalam rantai makanan. Beberapa jenis Echinodermata dapat dijadikan sebagai indikator kondisi suatu perairan. Tujuan dari penelitian ini adalah untuk mengetahui hubungan antara kondisi tutupan karang dengan keanekaragaman echinodermata. Penelitian ini dilakukan di bulan April-Mei 2017, pada ekosistem terumbu karang pulau Karimunjawa. Pengamatan terhadap tutupan karang dan keanekaragaman Echinodermata dilakukan dengan pengukuran langsung pada terumbu karang menggunakan kuadran garis dan kuadran transek. Hasil penelitian menunjukkan tutupan karang dalam keadaan sedang dan didominasi oleh karang bercabang, masiv, pasir, dan juga alga. Keanekaragaman Echinodermata dalam kategori rendah dengan nilai H’ berkisar 0,2689-0,3696, dan lebih didominasi bulu babi (Echinoidea). Hubungan tutupan karang dengan keanekaragaman Echinodermata mempunyai nilai koefisien korelasi 0,9303 yang memperlihatkan hubungan yang sangat kuat antara kedua variabel tersebut.
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Tala, WD Syarni, Kusrini Kusrini, and Jumiati Jumiati. "Struktur Komunitas Echinodermata pada Berbagai Tipe Habitat di Daerah Intertidal Pantai Lakeba, Kota Baubau Sulawesi Tenggara." Jurnal Kelautan Tropis 24, no. 3 (September 5, 2021): 333–42. http://dx.doi.org/10.14710/jkt.v24i3.11610.

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Echinoderms are one of organisms that inhabit intertidal areas which have important ecological roles in marine ecosystems, also have high economic values. The community structure and distribution pattern of Echinoderms in the intertidal area can provide an overview of the condition of the Echinoderm community. This research aims to determine the community structure of Echinoderms in various habitat types in the intertidal areas of Lakeba Beach, Baubau Town. The community structure of Echinoderms were observed using quadratic transec method. Echinoderms found were 777 individuals consisting of 18 species from 5 classes. Echinoderms were distributed in four habitat types, i. e. sandy, sand covered with seagrass, rocky, and rock covered with algae habitats. The highest abundance of Echinoderm was Ophiocoma scolopendrina (Ophiuroidea) and the lowest were Maretia planulata, Arachnoides placenta (Echinoidea), Holothuria scabra, H. leucospilota, Stichopus horrens (Holothuroidea), and Isocrinidae (Crinoidea). The species diversity of Echinoderms was categorized as moderate (H’ = 1,42180), species evenness was moderate (E = 0,49191), and no dominant species of Echinoderm community (D = 0,36601). Echinoderm community living in the intertidal area was influenced by antropogenic factors. Echinodermata merupakan salah satu organisme yang mendiami daerah intertidal yang memiliki peran ekologis penting bagi ekosistem laut, juga memiliki nilai ekonomis yang tinggi. Struktur komunitas dan pola distribusi Echinodermata pada daerah intertidal dapat memberikan gambaran mengenai kondisi komunitas Echinodermata. Penelitian ini bertujuan untuk mengetahui struktur komunitas dan pola distribusi Echinodermata di daerah intertidal Pantai Lakeba, Kota Baubau. Struktur komunitas dan pola distribusi Echinodermata diamati menggunakan metode transek kuadrat. Echinodermata yang ditemukan berjumlah 777 individu yang terdiri atas 18 jenis dari 5 kelas. Echinodermata terdistribusi pada empat tipe habitat yaitu habitat pasir, pasir yang ditutupi lamun, batu, dan batu yang ditutupi alga. Echinodermata yang memiliki kelimpahan tertinggi adalah Ophiocoma scolopendrina (Ophiuroidea) dan kelimpahan terendah adalah Maretia planulata, Arachnoides placenta (Echinoidea), Holothuria scabra, H. leucospilota, Stichopus horrens (Holothuroidea), dan Isocrinidae (Crinoidea). Keanekaragaman jenis Echinodermata dikategorikan sedang (H’ = 1,42180), kemerataan jenis sedang (E = 0,49191) dan tidak ada jenis yang dominan dalam komunitas Echinodermata (D = 0,36601). Komunitas Echinodermata yang hidup di daerah intertidal pantai dipengaruhi oleh faktor antropogenik.
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Ariyanto, Tiara Puspitasari, Sitti Saenab, and Ar Syarif Hidayat. "Struktur komunitas filum Echinodermata di Pulau Barrang Lompo Makassar." Filogeni: Jurnal Mahasiswa Biologi 1, no. 1 (April 9, 2021): 26–32. http://dx.doi.org/10.24252/filogeni.v1i1.20574.

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Peranan Echinodermata di perairan laut adalah sebagai pembersih limbah dan sampah, mempunyai nilai ekonomis tinggi. Echinodermata mempunyai cara dan kemampuan berbeda dalam menentukan lokasi yang cocok untuk tempat hidupnya, sehingga perbandingan jenis dan kelimpahan Echinodermata di suatu lokasi pada waktu yang berbeda perlu untuk dipelajari. Penelitian ini bertujuan untuk mengetahui struktur komunitas Echinodermata di Pulau Barrang Lompo Kecamatan Ujung Tanah Kota Makassar. Penelitian ini bersifat deskriptif. Pengambilan sampel dilakukan di tiga titik stasiun yaitu stasiun I (Zona lamun), stasiun II (Zona berpasir), dan stasiun III (Zona karang). Penelitian ini dilakukan pada bulan Februari 2016, dengan menggunakan metode transek kuadran. Parameter yang diukur meliputi parameter fisika (temperatur), parameter kimia (pH, salinitas, DO), dan parameter biologi (keanekaragaman dan kelimpahan Echinodermata). Dari hasil penelitian pada tiga tiga titik stasiun ditemukan 11 jenis Echinodermata dalam empat kelas yaitu Asteroidea, Holothuroidea, Echinoidea, dan Ophiuroidea dengan indeks keanekaragaman (H’) tergolong rendah (nilai 0,9), indeks keseragaman populasi (e) rendah (0,3), dan indeks dominansi (C) menunjukkan ada jenis/kelas yang mendominasi (0,5).
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SALMANU, SRIYANTI I. A., and INE ARINI. "Hubungan Faktor Fisik Lingkungan Terhadap Keanekaragaman Dan Dominansi Echinodermata Di Zona Intertidal Sekitar Dermaga Desa Hila Pulau Romang Kabupaten Maluku Barat Daya." Biosel: Biology Science and Education 8, no. 2 (January 2, 2020): 183. http://dx.doi.org/10.33477/bs.v8i2.1147.

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Faktor fisik kimia lingkungan merupakan salah satu factor yang mempengaruhi keberadaan organisme pada suatu daerah perairan. Berdasarkan penelitian pada 10 transek dengan 50 plot pengamatan kondisi factor fisik kimia ketika dilakukan pengukuran adalah sebagai berikut; rata-rata pengukuran suhu 27,7 0C, pH 6,36, salinitas 4,9 ‰, dan Oksigen terlarut 5,9 mg/L. Indeks keanekaragaman echinodermata adalah 1,865, nilai ini mengindikasikan bahwa indeks keanekaragaman echinodermata pada lokasi penelitian sedang, indeks kemerataannya adalah 0,789, nilai ini mengindikasikan bahwa kemerataan echinodermata penelitian rendah, pada lokasi penelitian sangat jauh berbeda atau tidak merata, indeks kekayaannya adalah 62,033 ini mengindikasikan kekayaan echinodermata rendah. Nilai rata-rata dominanasinya adalah 0,032 masuk dalam kategori rendah. Hubungan factor fisik kimia lingkungan terhadap keanekaragaman terlihat bahwa nilai korelasi adalah 1,013 dan ketika dilakukan uji lanjut menggunakan uji t, maka terlihat bahwa t hitung 10,90 ˃ t table 2,015 maka dapat disimpulkan bahwa ada hubungan yang signifikan antara factor fisik kimia lingkungan dengan keanekaragaman. Hubungan factor fisik kimia lingkungan terhadap dominanasi echinodermata terlihat bahwa nilai korelasi adalah 5,127 dan ketika dilakukan uji lanjut menggunakan uji t, maka terlihat bahwa t hitung 1,731 < t table 2,015 maka dapat disimpulkan bahwa tidak ada hubungan yang signifikan antara factor fisik kimia lingkungan dengan dominanasi echinodermata. Kata Kunci: Echinodermata, Faktor Fisik, Keanekaragaman, Kepadatan
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Bell., P. J. "VIII. ECHINODERMATA." Proceedings of the Zoological Society of London 55, no. 3 (August 20, 2009): 523. http://dx.doi.org/10.1111/j.1096-3642.1887.tb03006.x.

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Lestari, Yesi, Munarti Munarti, and Surti Kurniasih. "Inventarisasi Keanekaragaman Echinodermata Di Pantai Seupang Sebagai Media Pembelajaran Biologi." Journal Of Biology Education Research (JBER) 1, no. 1 (November 1, 2020): 33–40. http://dx.doi.org/10.55215/jber.v1i1.2634.

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Penelitian ini bertujuan untuk mempelajari keanekaragaman Echinodermata di Pantai Seupang dan menyusun media booklet dari hasil inventarisasi keanekaragaman Echinodermata. Penelitian ini dilaksanakan pada bulan Januari-Juli 2020, menggunakan metode eksplorasi dengan teknik purposive sampling, menggunakan tiga stasiun pada titik yang paling mewakili untuk diteliti. Data yang diambil berupa data primer (jumlah spesies dari filum Echinodermata di dalam setiap stasiun) dan data lingkungan berupa pH, salinitas, suhu, dan kuat arus dan substrat. Berdasarkan penelitian ditemukan enam spesies dari tiga kelas yaitu Ophiuroidea, Echinoidea dan Holothuroidea. Indeks kemerataan tergolong sedang dengan nilai rata-rata 0,52 dan indeks dominansi tergolong sedang dengan nilai rata-rata 0,54. Sementara indeks keanekaragaman di Pantai Seupang tergolong rendah dengan rata-rata nilai 0,88. Hal ini berarti Echinodermata yang ditemukan di Pantai Seupang tergolong merata dan tidak ada spesies yang mendominasi antar spesies satu dengan yang lainnya. Hasil validasi kelayakan media booklet menunjukkan bahwa booklet layak digunakan sebagai media pembelajaran biologi pada materi kingdom animalia. Kata kunci: Echinodermata, booklet, kingdom animalia
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Dissertations / Theses on the topic "Echinodermata"

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Dahm, Corinna. "Ökologie und Populationsdynamik antarktischer Ophiuroiden (Echinodermata) = Ecology and population dynamcis of Antarctic ophiuroids (Echinodermata) /." Bremerhaven : Alfred-Wegener-Inst. für Polar- und Meeresforschung, 1996. http://www.gbv.de/dms/bs/toc/194516156.pdf.

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Foster, Gregory George. "Aspects of the biology and ecology of some intertidal Holothurians (Echinodermata) along the Eastern Cape coast of South Africa." Thesis, Rhodes University, 1994. http://hdl.handle.net/10962/d1005320.

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Four species of dendrochirote holothurians, Roweia stephensoni John, Pseudocnella sykion Lampert, Aslia spyridophora Clark, Roweia frauenfeldi frauenfeldi Ludwig, and one aspidochirote holothurian, Neostichopus grammatus Clark, are common inhabitants of the intertidal regions of the eastern Cape rocky shores of South Africa. All five species are sympatric for most of their geographical distribution. The intertidal distributions, densities and biomasses of R. stephensoni, P. sykion and N. grammatus were examined at six sites from Port Elizabeth to East London in the eastern Cape. At all sites the three species showed similar overlapping zonations with R. stephensoni and P. sykion reaching their highest maximum mean densities and biomasses (drained wet weight) in the lower mid-shore region (401m² and 684g/m², 181m² and 269g/m², respectively at Port Elizabeth), whilst N. grammatus in the low-shore region (61m² and 72g/m², at Port Elizabeth). The highest densities and biomasses of all three species were recorded on boulder shores that had minimal sand inundation. Seasonality of reproduction of R. stephensoni, P. sykion and N. grammatus was compared at Port Elizabeth, using gonad index values, gonadal tubule diameters, egg diameters and spermatozoon content in tubules from January 1992 until August 1993. All three species are dioecious and did not deviate from a 1: 1 sex ratio. Sizes at first sexual maturity were 2.5-2.9 cm³ for R. stephensoni and P. sykion, and 3.0-3.9cm³ for N. grammatus. The gonads of R. stephensoni and P. sykion consist of a bunch of unbranched tubules of equal diameter, with males having more tubules of a smaller diameter than females. By contrast, the gonad of N. grammatus consists of two tufts of multiple branched tubules. All three species followed annual reproductive cycles, and in R. stephensoni and P. sykion gametogenesis occurred from March 1992 until August/September 1992, and maturity was maintained until the main spawning event in January 1993. By contrast, in N. grammatus gametogenesis occurred from July 1992 until September 1992, and maturity was maintained until the main spawning event in December 1992/January 1993. Unlike R. stephensoni and P. sykion the reproductive cycle of N. grammatus was more pronounced, in that the gonad regressed after spawning. Aspects of the feeding biology of R. stephensoni, P. sykion, A. spyridophora, R.ffrauenfeldi and N. grammatus were compared, using the gross buccal tentacle morphology, type and size range of ingested food particles, and gut lengths. Scanning electron microscopy revealed that the buccal tentacles of R. stephensoni, P. sykion and A. spyridophora could be classified as dendritic, branching numerous times with the tips terminating in numerous nodes covered with discs of papillate projections. The buccal tentacle structure of R. f frauenfeldi deviated from the typical dendrochirote dendritic form. The tentacles are stout with few branches which terminate in large bulbous nodes lacking discs of papillate projections. Neostichopus grammatus possesses buccal tentacles that could be classified as peltate, terminating in large nodes which also lacked discs of papillate projections. Roweia stephensoni, P. sykion and A. spyridophora are suspension-feeders, ingesting food particles mostly <53μm in size. Roweia f frauenfeldi was classed as a "heavy" suspension-feeder, ingesting food particles mostly between 250μm-1.18μm, while N. grammatus is a deposit-feeder, ingesting benthic sediments mostly between 106-500μm. The gut lengths of the dendrochirote holothurians were found to be significantly longer than that of the aspidochirote, and may be attributed to the nature of the food ingested.
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Marques, Daniele Ferreira. "Growth, survival and larval development of sea cucumber Holothuria grisea: feed with different microalgae." Universidade Federal do CearÃ, 2016. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=16501.

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This study aimed to evaluate the effect of the supply of microalgae Chaetoceros muelleri and Thalassiosira fluviatilis on growth, survival and larval development time of the sea cucumber Holothuria grisea. Holothuria grisea larvae were obtained from a spawning induced by heat shock and were cultured in incubators conical cylinder with volume of 15 L, kept in a density of 0,5 larvae/ml and constant aeration. The temperature, pH, dissolved oxygen and water salinity were measured daily and total ammonia analysis (NH3 / NH4+) and nitrite (NO2-) were done on days 05, 09 and 14 after fertilization. Four treatments were tested with five replicates each: a diet with 100% Chaetoceros muelleri; a diet with 100% Thalassiosira fluviatilis; a combined diet containing 50% Chaetoceros muelleri and 50% Thalassiosira fluviatilis (mixed diet); and control (unfed). The feed rate ranged from 20.000 the 40.000 cells/ml for different stages of development. The length of the larvae (μm) was observed on days 2, 8 and 14 after fertilization and survival (%) on days 4, 10 and 14 after fertilization. The larval development time was followed for all treatments. There was no significant difference in temperature, pH, dissolved oxygen and salinity, to the different treatments tested. The best treatments in terms of water quality were Chaetoceros muelleri and Control, with the lowest concentrations of total ammonia and nitrite. The highest concentrations of ammonia and nitrite were found in treatments where the microalgae Thalassiosira fluviatilis was present. The survival rate for all treatments decreased over larval development being quite sharp. The best treatment, when considering the larval development time and total length (μm), was Chaetoceros muelleri. Holothuria grisea completed it larval development time in 17 days after fertilization when fed Chaetoceros muelleri, having indirect development with larval stages of auricularia, doliolaria and pentacula until the arrival of the juvenile stage.
A presente pesquisa teve como objetivos avaliar o efeito da oferta das microalgas Chaetoceros muelleri e Thalassiosira fluviatilis sobre o crescimento, a sobrevivÃncia e o tempo de desenvolvimento larval do pepino do mar Holothuria grisea. As larvas de Holothuria grisea foram obtidas a partir de uma desova induzida por choque tÃrmico e foram cultivadas em incubadoras cilindro cÃnicas, com volume Ãtil de 15 L, mantidas sob uma densidade de 0,5 larvas/mL e aeraÃÃo constante. A temperatura, o pH, o oxigÃnio dissolvido e a salinidade da Ãgua foram mensurados diariamente e anÃlises de amÃnia total (NH3/NH4+) e nitrito (NO2-) foram feitas nos dias 05, 09 e 14 apÃs a fertilizaÃÃo. Foram testados quatro tratamentos com cinco repetiÃÃes cada: uma dieta com 100% de Chaetoceros muelleri; uma dieta com 100% de Thalassiosira fluviatilis; uma dieta combinada contendo 50% de Chaetoceros muelleri e 50% de Thalassiosira fluviatilis (dieta mista); e o controle (sem alimentaÃÃo). A taxa de alimentaÃÃo variou de 20.000 a 40.000 cÃlulas/mL para os diferentes estÃgios de desenvolvimento. O comprimento das larvas (μm) foi verificado nos dias 2, 8 e 14 apÃs a fertilizaÃÃo e a sobrevivÃncia (%) nos dias 4, 10 e 14 apÃs a fertilizaÃÃo. O tempo de desenvolvimento larval foi acompanhado para todos os tratamentos testados. NÃo houve diferenÃa significativa nos valores de temperatura, pH, oxigÃnio dissolvido e salinidade, para os diferentes tratamentos testados. Os melhores tratamentos em termos de qualidade da Ãgua foram Chaetoceros muelleri e Controle, apresentando as menores concentraÃÃes de amÃnia total e nitrito. Maiores concentraÃÃes de amÃnia e nitrito foram verificadas nos tratamentos em que a microlaga Thalassiosira fluviatilis estava presente. A taxa de sobrevivÃncia para todos os tratamentos testados diminuiu ao longo do desenvolvimento das larvas sendo bastante acentuada. O melhor tratamento, quando considerado o tempo de desenvolvimento larval e o comprimento total (μm), foi Chaetoceros muelleri. Holothuria grisea completou o seu tempo de desenvolvimento larval em 17 dias apÃs a fertilizaÃÃo quando alimentadas com Chaetoceros muelleri, tendo desenvolvimento indireto com fases larvais de auriculÃria, doliolÃria e pentÃcula atà a chegada da fase juvenil.
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Chiu, Sein-tuck. "Aspects of the ecology of Anthocidaris crassispina (echinodermata: echinoidea) in Hong Kong /." [Hong Kong : University of Hong Kong], 1987. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1233571X.

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Dean, Juliette. "Evolutionary diversification of asteroids and ophiuroids [Echinodermata]." Thesis, University of Cambridge, 1999. https://www.repository.cam.ac.uk/handle/1810/251696.

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Sousa, Mário Manuel da Silva Leite de. "A Fertilização em "Marthasterias glacialis" (Echinodermata, Asteroidea)." Doctoral thesis, Universidade do Porto. Reitoria, 1991. http://hdl.handle.net/10216/10245.

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Oliveira, Jéssica Prata de. "Holothuroidea (Echinodermata) da região Nordeste do Brasil." Universidade Federal da Paraí­ba, 2013. http://tede.biblioteca.ufpb.br:8080/handle/tede/4123.

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The class Holothuroidea has approximately 1400 species existent, these nearly 50 are recorded to de Brazilian coast. Studies about this class are relatively few, particularly to the North and Northeast of Brasil. In front of the lack of information on the species of holothurians to the Brazilian coast the present study aimed to identify the species of the class Holothuroidea from the Northeast of Brasil to inventory and provide detailed taxonomic information as well as data on their distribution in the region. The Invertebrate Collection Paulo Young, of the Department of Systematics and Ecology (DSE), of Federal University of Paraíba (CIPY-DSE-UFPB) was the main the main material analyzed. Were also examined the collections of the museums of the Federal University of Bahia (MZUFBA), Museu Nacional do Rio de Janeiro (MNRJ) and University of São Paulo (MZUSP). The study of specimens includes analysis of external and internal morphological characters, beyond the pattern of calcareous ossicles, these latter are fundamental for determining the specific level. 32 species were identified, belonging to 3 orders, 8 families, 19 genera and 8 subgenera. Of the species recorded Thyone crassidisca Miller & Pawson, 1981, Euthyonidiella trita (Sluiter, 1910), Protankyra ramiurna Heding, 1928 and Holothuria (Holothuria) dakarenisis represent new records to Brazilian coast. The states with the highest diversity regarding Holothuroidea fauna was, respectively, Paraíba (n = 22 spp.), Bahia (n = 21 spp.), Alagoas (n = 14 spp.) and Pernambuco (n = 10). No species were recorded for states of Maranhão e Sergipe. The fauna of infralittoral requires better sampling. Moreover, in some species taxonomic problems were observed and discussed. The study provides the first annotated list of sea cucumbers from Northeastern Brazil. Reinforces the importance of scientific collections for systematic studies and increased knowledge of biodiversity.
A classe Holothuroidea possui aproximadamente 1400 espécies viventes, das quais 50 foram registradas para a costa brasileira. Estudos sobre a classe no Brasil são relativamente escassos, principalmente para as regiões Norte e Nordeste. Diante da carência de informações sobre as espécies de holotúrias do litoral brasileiro o presente estudo objetivou identificar as espécies da classe Holothuroidea proveniente da região Nordeste do Brasil, a fim de inventariar e fornecer informações taxonômicas detalhadas bem como dados sobre sua distribuição na região. O principal acervo analisado foi o da Coleção de Invertebrados Paulo Young, do Departamento de Sistemática e Ecologia (DSE), da Universidade Federal da Paraíba (CIPY-DSE-UFPB). Além deste, Foi examinado material do Museu de Zoologia da Universidade Federal da Bahia (MZUFBA), Museu Nacional (MNRJ) e Museu de Zoologia da Universidade de São Paulo (MZUSP). O estudo dos espécimes abrange a análise de caracteres morfológicos externos e internos, bem como do padrão dos ossículos calcários, estes últimos são fundamentais para a determinação a nível específico. Foram identificadas 32 espécies pertencentes a 3 ordens, 8 famílias, 19 gêneros e 8 subgêneros. Das espécies registradas Thyone crassidisca Miller & Pawson, 1981, Euthyonidiella trita (Sluiter, 1910), Protankyra ramiurna Heding, 1928 e Holothuria (Holothuria) dakarenisis representam novos registros para a costa brasileira. Os estados que apresentaram maior diversidade em relação à fauna de Holothuroidea foram respectivamente, Paraíba (n = 22 spp.), Bahia (n = 21 spp.), Alagoas (n = 14 spp.) e Pernambuco (n = 10). Com base nos acervos analisados, Maranhão e Sergipe foram os únicos estados em que nenhuma espécie da classe foi registrada. Nota-se que a fauna do infralitoral necessita de uma melhor amostragem. O estudo fornece a primeira lista comentada dos Holothuroidea do Nordeste. Fortalece ainda a importância das coleções científicas para estudos em sistemática e ampliação do conhecimento da biodiversidade.
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Sousa, Mário Manuel da Silva Leite de. "A Fertilização em "Marthasterias glacialis" (Echinodermata, Asteroidea)." Tese, Universidade do Porto. Reitoria, 1991. http://hdl.handle.net/10216/10245.

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Taylor, Kristian. "A Phylogenetic Revision of Superfamily Himerometroidea (Echinodermata: Crinoidea)." NSUWorks, 2015. http://nsuworks.nova.edu/occ_stuetd/389.

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Superfamily Himerometroidea AH Clark, 1908 (Echinodermata: Crinoidea) (formerly Mariametroidea) is the second most speciose superfamily in order Comatulida. Although it includes some of the most common species on tropical western Pacific reefs, its phylogeny is poorly understood. Genus- to species-level taxa are currently distinguished by plastic morphological characters. We revised the superfamily from species- to family-levels using a combined morphological and molecular approach. A phylogeny using two nuclear and three mitochondrial markers recovered Colobometridae and Himerometridae as paraphyletic and Mariametridae and Zygometridae as polyphyletic. Within genus Himerometra (Himerometridae), sequence data and detailed morphological examinations of multiple specimens of H. magnipinna, H. martensi and H. robustipinna indicated that these three taxa are conspecific. A similar examination of specimens attributed on morphological grounds to the genera Dichrometra, Liparometra and Lamprometra (Mariametridae) revealed a lack of substantial enough sequence and morphological differences to maintain them as distinct genera. We have synonymized all three genera and redescribed four species under the senior name Dichrometra. Additional work is needed to more clearly establish characters that will diagnose clades across the superfamily. This study illustrates the importance of reevaluating classifications that incorporate ecophenotypically and ontogenetically variable characters.
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Prieto, Ríos Elba. "Taxonomía de Holothuroidea (Echinodermata) del mar del Perú." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2010. https://hdl.handle.net/20.500.12672/868.

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Se presentan 22 especies de holoturoideos habitantes del mar del Perú, distribuidas sistemáticamente en tres órdenes, ocho familias y trece géneros. Se incluye el catálogo para cada especie: morfología externa, microscopía electrónica de barrido (MEB) de los osículos y mapa de distribución; así como información sobre la distribución batimétrica y localidad tipo, entre otros aspectos; además una clave de identificación taxonómica para las especies del mar del Perú. Los ámbitos de distribución batimétrica varían de 0 a 1,412 m. Se aportan ocho nuevos registros para el mar del Perú: Pentamera chierchia, Neocucumis veleronis, Holothuria (Cystipus) inhabilis, Holothuria (Selenkothuria) lubrica, Holothuria (Semperothuria) imitans, Holothuria (Vaneyothuria) zacae, Molpadia intermedia y Caudina californica. Se amplía el ámbito de distribución geográfica, a su límite más sureño, de las siguientes especies: Neocucumis veleronis, Holothuria (Cystipus) inhabilis, Holothuria (Selenkothuria) lubrica, Holothuria (Semperothuria) imitans, Holothuria (Vaneyothuria) zacae, Molpadia intermedia y Caudina californica. Se amplía el ámbito de distribución batimétrica de las siguientes especies: Pentamera chiloensis, Holothuria (Selenkothuria) lubrica y Holothuria (Vaneyothuria) zacae. Las especies de pepinos de mar más características del Perú son: Pattalus mollis y Athyonidium chilensis. Palabras clave: Taxonomía, Echinodermata, Holothuroidea, pepinos de mar, Perú, nuevos registros.
--- Twenty-two species of sea cucumbers inhabiting Peruvian waters are reported. They are included in three orders eight families and thirteen genera. Each species is illustrated in a catalogue: information about external morphology, electronic scanning microscopy of the spicules and distribution maps is included; also information about bathymetric distribution and type locality of each species, as well as a taxonomic key for the Peruvian species are also presented. Bathymetric ranges vary between 0 and 1412 m. Eight new records for Peru are remarkable: Pentamera chierchia, Neocucumis veleronis, Holothuria (Cystipus) inhabilis, Holothuria (Selenkothuria) lubrica, Holothuria (Semperothuria) imitans, Holothuria (Vaneyothuria) zacae, Molpadia intermedia and Caudina califórnica. The geographic range of Neocucumis veleronis, Holothuria (Cystipus) inhabilis, Holothuria (Selenkothuria) lubrica, Holothuria (Semperothuria) imitans, Holothuria (Vaneyothuria) zacae, Molpadia intermedia y Caudina califórnica is widened to southward. The bathymetric range of Pentamera chiloensis, Holothuria (Selenkothuria) lubrica and Holothuria (Vaneyothuria) zacae is widened. The sea cucumbers more characteristic of Peruvian sear are Pattalus mollis and Athyonidium chilensis. Keywords: Taxonomy, Echinodermata, Holothuroidea, sea cucumber, Peru, new records.
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Books on the topic "Echinodermata"

1

Matranga, Valeria, ed. Echinodermata. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27683-1.

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Tahera, Qaseem. Echinodermata. [Karachi]: Marine Reference Collection and Resource Centre, University of Karachi, 2005.

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Rowe, Francis W. E. Echinodermata. Edited by Gates J, Wells A, and Australian Biological Resources Study. East Melbourne, Vic: CSIRO Australia, 1995.

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Valeria, Matranga, ed. Echinodermata. Berlin: Springer, 2005.

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European Conference on Echinoderms (3rd 1991 Lecce, Italy). Echinoderm research 1991: Proceedings of the third European Conference on Echinoderms, Lecce, Italy, 9-12 September 1991. Rotterdam, Netherlands: A.A. Balkema, 1992.

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European Conference on Echinoderms (4th 1995 London, England). Echinoderm research 1995: Proceedings of the Fourth European Echinoderms Colloquium, London, United Kingdom, 10-13 April 1995. Rotterdam, Netherlands: A.A. Balkema, 1995.

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International Echinoderm Conference (10th 2000 Dunedin, N.Z.). Echinoderms 2000: Proceedings of the 10th international conference, Dunedin, 31 January-4 February 2000. Edited by Barker M. Lisse [Netherlands]: A.A. Balkema, 2001.

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European Conference on Echinoderms (2nd 1989 Brussels, Belgium). Echinoderm research: Proceedings of the second European Conference on Echinoderms, Brussels, Belgium, 18-21 September 1989. Rotterdam, Netherlands: A.A. Balkema, 1990.

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International Echinoderm Conference (7th 1990 Atami-shi, Japan). Biology of Echinodermata: Proceedings of the seventh International Echinoderm Conference, Atami, 9-14 September 1990. Rotterdam: Balkema, 1991.

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International Echinoderm Conference (9th 1996 San Francicso, California). Echinoderms: San Francisco : proceedings of the ninth International Echinoderm Conference : San Francisco, California, USA, 5-9 August, 1996. Rotterdam: A.A. Balkema, 1998.

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Book chapters on the topic "Echinodermata"

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Arnone, Maria Ina, Maria Byrne, and Pedro Martinez. "Echinodermata." In Evolutionary Developmental Biology of Invertebrates 6, 1–58. Vienna: Springer Vienna, 2015. http://dx.doi.org/10.1007/978-3-7091-1856-6_1.

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Loos-Frank, Brigitte, and Sabine Begall. "Echinodermata." In Zoologica Poetica, 79–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-662-61568-3_6.

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Mitsuhashi, Jun. "Echinodermata." In Invertebrate Tissue Culture Methods, 153–60. Tokyo: Springer Japan, 2002. http://dx.doi.org/10.1007/978-4-431-67875-5_14.

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Mitsuhashi, Jun. "Echinodermata." In Invertebrate Tissue Culture Methods, 281–82. Tokyo: Springer Japan, 2002. http://dx.doi.org/10.1007/978-4-431-67875-5_24.

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Byrne, Maria. "Echinodermata." In Encyclopedia of Modern Coral Reefs, 358–59. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-2639-2_210.

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Fish, J. D., and S. Fish. "Echinodermata." In A Student’s Guide to the Seashore, 369–90. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-011-5888-6_20.

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Forli, Maurizio, and Andrea Guerrini. "Echinodermata." In The History of Fossils Over Centuries, 345–47. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04687-2_19.

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Clauss, Wolfgang, and Cornelia Clauss. "Echinodermata." In Taschenatlas Zoologie, 290–95. Berlin, Heidelberg: Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-61593-5_37.

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Clauss, Wolfgang, and Cornelia Clauss. "Echinodermata." In Taschenatlas Zoologie, 290–95. Berlin, Heidelberg: Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-61593-5_37.

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Schröder, H. C., N. Janipour, W. E. G. Müller, G. Di Bella, R. Bonaventura, R. Russo, and V. Matranga. "DNA Damage and Developmental Defects After Exposure to UV and Heavy Metals in Sea Urchin Cells and Embryos Compared to Other Invertebrates." In Echinodermata, 111–37. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27683-1_6.

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Conference papers on the topic "Echinodermata"

1

Limbeck, Maggie R., and Colin D. Sumrall. "EXPLORING THE DISTRIBUTION OF PARACRINOIDEA (ECHINODERMATA)." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-322302.

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MALLEFET, J. "BIOLUMINESCENCE IN OPHIUROIDS (ECHINODERMATA): A MINIREVIEW." In Proceedings of the 13th International Symposium. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812702203_0005.

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Bauer, Jennifer E. "ASSESSING BIOGEOGRAPHIC PATTERNS WITHIN EUBLASTOIDEA (BLASTOZOA: ECHINODERMATA)." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-334854.

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Bauer, Jennifer E., Colin D. Sumrall, and Johnny A. Waters. "BLASTOID (ECHINODERMATA) PHYLOGENY AND IMPLICATIONS FOR BLASTOZOAN CLASSIFICATION." In 67th Annual Southeastern GSA Section Meeting - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018se-312746.

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Nguyen, Bonnie K., Johnny A. Waters, Scott T. Marshall, Lyndsie Elizabeth White, and Colin D. Sumrall. "CFD MODELING OF THECAL SHAPE IN BLASTOIDS (ECHINODERMATA)." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-282220.

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Johnson, Sarah R., and Sarah L. Sheffield. "ONTOGENETIC AND SYSTEMATIC STUDY OF EUCYSTIS (DIPLOPORITA: ECHINODERMATA)." In 66th Annual GSA Southeastern Section Meeting - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017se-290681.

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Godkin, Russell S., and Sarah L. Sheffield. "A GROWTH STUDY OF ORDOVICIAN SPHAERONITES (DIPLOPORITA: ECHINODERMATA)." In 66th Annual GSA Southeastern Section Meeting - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017se-291489.

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Blake, Daniel B. "TOWARD A HISTORY OF THE PALEOZOIC ASTEROIDEA (ECHINODERMATA)." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-318490.

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Qualls, Logan M., Jennifer E. Bauer, and Colin D. Sumrall. "REASSESSMENT OF BLASTOID (ECHINODERMATA) PHYLOGENY WITH INTERNAL CHARACTER DATA." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-294562.

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Limbeck, Maggie R., Colin D. Sumrall, and Bradley Deline. "PHYLOGENETIC AND MORPHOLOGIC ANALYSES ELUCIDATE RELATIONSHIPS IN PARACRINOIDEA (ECHINODERMATA)." In 67th Annual Southeastern GSA Section Meeting - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018se-312231.

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