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Journal articles on the topic 'Parachela'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

MARLEY, NIGEL J., SANDRA J. MCINNES, and CHESTER J. SANDS. "Phylum Tardigrada: A re-evaluation of the Parachela." Zootaxa 2819, no. 1 (2011): 51. http://dx.doi.org/10.11646/zootaxa.2819.1.2.

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We assessed the available morphological evidence to see if this corroborates the paraphyly in the Parachela (Tardigrada) as suggested by recent molecular data. We reconcile molecular phylogenetics with alpha morphology, focusing on claw and apophysis for the insertion of the stylet muscles (AISM). We combine molecular and morphological evidence to define six new taxa within the Parachela Schuster et al 1980. These include two new families of Isohypsibiidae fam. nov. and Ramazzottidae fam. nov. along with four new superfamilies of Eohypsibioidea superfam. nov., Hypsibioidea super- fam. nov., Is

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2

Marley, Nigel J., Sandra J. Mcinnes, and Chester J. Sands. "Phylum Tardigrada: A re-evaluation of the Parachela." Zootaxa 2819 (December 31, 2011): 51–64. https://doi.org/10.5281/zenodo.201757.

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3

Beasley, Clark W., and William R. Miller. "Additional Tardigrada from Hubei Province, China, with the description of Doryphoribius barbarae sp. nov. (Eutardigrada: Parachela: Hypsibiidae)." Zootaxa 3170 (December 31, 2012): 55–63. https://doi.org/10.5281/zenodo.212706.

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Beasley, Clark W., Miller, William R. (2012): Additional Tardigrada from Hubei Province, China, with the description of Doryphoribius barbarae sp. nov. (Eutardigrada: Parachela: Hypsibiidae). Zootaxa 3170: 55-63, DOI: 10.5281/zenodo.212706

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4

Pilato, Giovanni, Giorgio Sabella, Vera D'Urso, and Oscar Lisi. "Macrobiotus nebrodensis and Adropion vexatum, two new species of Eutardigrada (Tardigrada, Parachela) from Sicily." Zootaxa 4362, no. 2 (2017): 267–79. https://doi.org/10.11646/zootaxa.4362.2.6.

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Pilato, Giovanni, Sabella, Giorgio, D'Urso, Vera, Lisi, Oscar (2017): Macrobiotus nebrodensis and Adropion vexatum, two new species of Eutardigrada (Tardigrada, Parachela) from Sicily. Zootaxa 4362 (2): 267-279, DOI: 10.11646/zootaxa.4362.2.6

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Kaczmarek, Łukasz, Joanna Cytan, Krzysztof Zawierucha, Dawid Diduszko, and Łukasz Michalczyk. "Tardigrades from Peru (South America), with descriptions of three new species of Parachela." Zootaxa 3790, no. 2 (2014): 357–79. https://doi.org/10.11646/zootaxa.3790.2.5.

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Kaczmarek, Łukasz, Cytan, Joanna, Zawierucha, Krzysztof, Diduszko, Dawid, Michalczyk, Łukasz (2014): Tardigrades from Peru (South America), with descriptions of three new species of Parachela. Zootaxa 3790 (2): 357-379, DOI: 10.11646/zootaxa.3790.2.5

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Gąsiorek, Piotr, Witold Morek, Daniel Stec, Brian Blagden, and Łukasz Michalczyk. "Revisiting Calohypsibiidae and Microhypsibiidae: Fractonotus Pilato, 1998 and its phylogenetic position within Isohypsibiidae (Eutardigrada: Parachela)." Zoosystema 41, no. 6 (2019): 71–89. https://doi.org/10.5252/zoosystema2019v41a6.

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Gąsiorek, Piotr, Morek, Witold, Stec, Daniel, Blagden, Brian, Michalczyk, Łukasz (2019): Revisiting Calohypsibiidae and Microhypsibiidae: Fractonotus Pilato, 1998 and its phylogenetic position within Isohypsibiidae (Eutardigrada: Parachela). Zoosystema 41 (6): 71-89, DOI: 10.5252/zoosystema2019v41a6

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Massa, Edoardo, and Matteo Vecchi. "Description of Macrobiotus kathyae sp. nov. (Parachela: Macrobiotidae) and first records of tardigrades from Indiana (USA)." Zootaxa 5471, no. 3 (2024): 301–17. https://doi.org/10.11646/zootaxa.5471.3.1.

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Massa, Edoardo, Vecchi, Matteo (2024): Description of Macrobiotus kathyae sp. nov. (Parachela: Macrobiotidae) and first records of tardigrades from Indiana (USA). Zootaxa 5471 (3): 301-317, DOI: 10.11646/zootaxa.5471.3.1, URL: http://dx.doi.org/10.11646/zootaxa.5471.3.1

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8

Stec, Daniel, and Reinhardt Møbjerg Kristensen. "An integrative description of Mesobiotus ethiopicus sp. nov. (Tardigrada: Eutardigrada: Parachela: Macrobiotidae: harmsworthi group) from the northern Afrotropic region." Turkish Journal of Zoology 41, no. 5 (2017): 800–811. https://doi.org/10.3906/zoo-1701-47.

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Stec, Daniel, Kristensen, Reinhardt Møbjerg (2017): An integrative description of Mesobiotus ethiopicus sp. nov. (Tardigrada: Eutardigrada: Parachela: Macrobiotidae: harmsworthi group) from the northern Afrotropic region. Turkish Journal of Zoology 41 (5): 800-811, DOI: 10.3906/zoo-1701-47, URL: http://dx.doi.org/10.3906/zoo-1701-47

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9

Purnama, Arief Anthonius. "STUDI MORFOMETRIK IKAN PIMPIANG DI SUNGAI KUMU DESA RAMBAH KABUPATEN ROKAN HULU PROVINSI RIAU." Agroprimatech 3, no. 2 (2020): 46–54. http://dx.doi.org/10.34012/agroprimatech.v3i2.919.

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 Penelitian tentang kajian morfometrik ikan pimpiang di Sungai Kumu Desa Rambah Kecamatan Rambah Hilir Kabupaten Rokan Hulu Provinsi Riau ini telah dilakukan dari bulan November 2018 sampai Januari 2019. Bertujuan untuk mengetahui keragaman jenis ikan dan karakter morfologi dari ikan pimpiang. Penelitian ini menggunakan metode survei dengan teknik pencuplikan sampel secara purposive sampling. Proses pengukuran karakter morfologi ikan pimpiang dengan menggunakan jangka sorong. Penelitian ini menemukan 15 individu ikan pimpiang yang terdiri dari 2 spesies. Berdasarkan penelitian yang telah

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10

Hyra, Marta, Magdalena M. Rost-Roszkowska, Sebastian Student, et al. "Body cavity cells of Parachela during their active life." Zoological Journal of the Linnean Society 178, no. 4 (2016): 878–87. https://doi.org/10.1111/zoj.12463.

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Hyra, Marta, Rost-Roszkowska, Magdalena M., Student, Sebastian, Włodarczyk, Agnieszka, Deperas, Marcin, Janelt, Kamil, Poprawa, Izabela (2016): Body cavity cells of Parachela during their active life. Zoological Journal of the Linnean Society 178 (4): 878-887, DOI: 10.1111/zoj.12463, URL: http://dx.doi.org/10.1111/zoj.12463

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Ito, Makiko, Tokiko Saigo, Wataru Abe, Takeo Kubo, and Takekazu Kunieda. "Establishment of an isogenic strain of the desiccationsensitive tardigrade Isohypsibius myrops (Parachela, Eutardigrada) and its life history traits." Zoological Journal of the Linnean Society 178, no. 4 (2016): 863–70. https://doi.org/10.1111/zoj.12449.

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Ito, Makiko, Saigo, Tokiko, Abe, Wataru, Kubo, Takeo, Kunieda, Takekazu (2016): Establishment of an isogenic strain of the desiccationsensitive tardigrade Isohypsibius myrops (Parachela, Eutardigrada) and its life history traits. Zoological Journal of the Linnean Society 178 (4): 863-870, DOI: 10.1111/zoj.12449, URL: http://dx.doi.org/10.1111/zoj.12449

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12

Gąsiorek, Piotr, Brian Blagden, Witold Morek, and Łukasz Michalczyk. "What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela)." Zoological Journal of the Linnean Society 202, no. 1 (2023): 1–63. https://doi.org/10.1093/zoolinnean/zlad151.

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Gąsiorek, Piotr, Blagden, Brian, Morek, Witold, Michalczyk, Łukasz (2024): What is a 'strong' synapomorphy? Redescriptions of Murray's type species and descriptions of new taxa challenge the systematics of Hypsibiidae (Eutardigrada: Parachela). Zoological Journal of the Linnean Society 202 (1): 1-63, DOI: 10.1093/zoolinnean/zlad151, URL: http://dx.doi.org/10.1093/zoolinnean/zlad151

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13

Guidetti, Roberto, and Roberto Bertolani. "Phylogenetic Relationships in the Macrobiotidae (Tardigrada: Eutardigrada: Parachela)." Zoologischer Anzeiger - A Journal of Comparative Zoology 240, no. 3-4 (2001): 371–76. http://dx.doi.org/10.1078/0044-5231-00044.

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14

Cesari, Michele, Matteo Vecchi, Aparna Palmer, et al. "What if the claws are reduced? Morphological and molecular phylogenetic relationships of the genus Haplomacrobiotus May, 1948 (Eutardigrada, Parachela)." Zoological Journal of the Linnean Society 178, no. 4 (2016): 819–27. https://doi.org/10.1111/zoj.12424.

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Cesari, Michele, Vecchi, Matteo, Palmer, Aparna, Bertolani, Roberto, Pilato, Giovanni, Rebecchi, Lorena, Guidetti, Roberto (2016): What if the claws are reduced? Morphological and molecular phylogenetic relationships of the genus Haplomacrobiotus May, 1948 (Eutardigrada, Parachela). Zoological Journal of the Linnean Society 178 (4): 819-827, DOI: 10.1111/zoj.12424, URL: http://dx.doi.org/10.1111/zoj.12424

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15

Hyra, Marta, Magdalena M. Rost-Roszkowska, Sebastian Student, et al. "Body cavity cells of Parachela during their active life." Zoological Journal of the Linnean Society 178, no. 4 (2016): 878–87. http://dx.doi.org/10.1111/zoj.12463.

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16

ZHANG, JING-YU, XUE-LING SUN, NING WANG, et al. "Tardigrades in the alpine region of Northeast China with an integrative description of Crenubiotus liangshuiensis sp. nov." Zootaxa 5492, no. 1 (2024): 96–108. http://dx.doi.org/10.11646/zootaxa.5492.1.5.

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A new species of tardigrade, Crenubiotus liangshuiensis sp. nov. (Eutardigrada: Parachela: Macrobiotoidea: Adorybiotidae), was identified by combining DNA barcoding and classical morphological analyses (including both light contrast microscopy and scanning electron microscopy) of animals and an egg found in moss Collected in Yichun Liangshui National Nature Reserve. Moreover, nucleotide sequences of the 18S rRNA and COI markers from used to analyse the diversity of the local tardigrade fauna indicated the presence of at least 16 species representing 11 genera.

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17

Rost-Roszkowska, M. M., K. Janelt, and I. Poprawa. "The role of autophagy in the midgut epithelium of Parachela (Tardigrada)." Zoomorphology 137, no. 4 (2018): 501–9. http://dx.doi.org/10.1007/s00435-018-0407-x.

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18

Benoit, Thomas G., Jennifer Locke, James R. Marks, and Clark W. Beasley. "Laboratory Transmission of Xanthomonas campestris pv. raphani by a Tardigrade (Parachela = Macrobiotidae)." Florida Entomologist 83, no. 2 (2000): 197. http://dx.doi.org/10.2307/3496157.

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19

Guidetti, Roberto, Andrea Gandolfi, Valeria Rossi, and Roberto Bertolani. "Phylogenetic analysis of Macrobiotidae (Eutardigrada, Parachela): a combined morphological and molecular approach." Zoologica Scripta 34, no. 3 (2005): 235–44. http://dx.doi.org/10.1111/j.1463-6409.2005.00193.x.

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20

Bertolani, R. "On the systematic position of the genus Fractonotus (Eutardigrada, Parachela)." European Zoological Journal 91, no. 2 (2024): 1134–38. http://dx.doi.org/10.1080/24750263.2024.2410473.

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21

Stec, Daniel, Milena Roszkowska, Łukasz Kaczmarek, and Łukasz Michalczyk. "Paramacrobiotus lachowskae, a new species of Tardigrada from Colombia (Eutardigrada: Parachela: Macrobiotidae)." New Zealand Journal of Zoology 45, no. 1 (2017): 43–60. http://dx.doi.org/10.1080/03014223.2017.1354896.

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22

López-Sandoval, Daniel, Griselda Montiel-Parra, and Tila M. Pérez. "New records of tardigrades from Mexico with the description of Paramacrobiotus puma sp. nov. (Eutardigrada: Macrobiotidae)." Revista Mexicana de Biodiversidad 96 (May 21, 2025): e965488. https://doi.org/10.22201/ib.20078706e.2025.96.5488.

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Five samples of mosses and 2 samples of lichens were collected within the Cantera Oriente, in southern Mexico City. In total, 110 tardigrades and 27 eggs, belonging to 2 orders (Apochela and Parachela), 4 families (Milnesiidae, Hypsibiidae, Macrobiotidae, and Ramazzottiidae), 6 genera (Milnesium, Hypsibius, Notahypsibius, Minibiotus, Paramacrobiotus, and Ramazzottius) and 9 species were recorded. Milnesium longiungue Tumanov, 2006, Notahypsibius pallidoides Pilato, Kiosya, Lisi, Inshina and Biserov, 2011 and Paramacrobiotus gadabouti Kayastha, Stec, Mioduchowska and Kaczmarek, 2023, represent

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23

Beasley, Clark W., William R. Miller, and Shawn Shively. "A new freshwater Tardigrada Dactylobiotus kansae sp. n. (Eutardigrada: Parachela: Murrayidae) from Kansas, U.S.A." Proceedings of the Biological Society of Washington 122, no. 4 (2009): 460–63. http://dx.doi.org/10.2988/09-09.1.

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24

PILATO, GIOVANNI, GIORGIO SABELLA, VERA D’URSO, and OSCAR LISI. "Macrobiotus nebrodensis and Adropion vexatum, two new species of Eutardigrada (Tardigrada, Parachela) from Sicily." Zootaxa 4362, no. 2 (2017): 267. http://dx.doi.org/10.11646/zootaxa.4362.2.6.

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Two new species of Eutardigrada are described from Sicily: Macrobiotus nebrodensis sp. nov. and Adropion vexatum sp. nov. The former species, belongs to the Macrobiotus hufelandi group, and is characterised by having a small, faint, microplacoid, and variable egg processes (most processes are shaped in the form of an inverted goblet with jagged terminal disc, but others are long, or very long, with a very small terminal disc). Adropion vexatum sp. nov. is characterised by having smooth cuticle, steep, vertical front to the head, pharyngeal tube longer than the pharyngeal bulb, which has small

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25

Gąsiorek, Piotr, Witold Morek, Daniel Stec, Brian Blagden, and Łukasz Michalczyk. "Revisiting Calohypsibiidae and Microhypsibiidae: Fractonotus Pilato, 1998 and its phylogenetic position within Isohypsibiidae (Eutardigrada: Parachela)." Zoosystema 41, no. 1 (2019): 71. http://dx.doi.org/10.5252/zoosystema2019v41a6.

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KACZMAREK, ŁUKASZ, JOANNA CYTAN, KRZYSZTOF ZAWIERUCHA, DAWID DIDUSZKO, and ŁUKASZ MICHALCZYK. "Tardigrades from Peru (South America), with descriptions of three new species of Parachela." Zootaxa 3790, no. 2 (2014): 357. http://dx.doi.org/10.11646/zootaxa.3790.2.5.

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27

SUGIURA, KENTA, KAZUHARU ARAKAWA, and MIDORI MATSUMOTO. "Distribution of Macrobiotus shonaicus Stec, Arakawa & Michalczyk, 2018 (Tardigrada: Eutardigrada: Macrobiotidae) in Japan." Zootaxa 4767, no. 1 (2020): 56–70. http://dx.doi.org/10.11646/zootaxa.4767.1.2.

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To date, only seven species of Macrobiotidae (Parachela; Eutardigrada; Tardigrada) have been reported from Japan, including the recently described Macrobiotus shonaicus Stec et al., 2018 from the Shonai region of Japan. This species has flexible filaments on the egg processes and is known to proliferate only through sexual reproduction. Here, we report a multifaceted analysis of nine populations of M. shonaicus found on four Japanese islands. DNA sequencing of the cytochrome oxidase subunit I (COI) and internal transcribed spacer 2 (ITS-2) of the nine populations revealed 8 and 11 haplotypes,

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28

Meyer, Harry A. "A new water bear, Minibiotus julianae, from the Caribbean Island of Dominica (Tardigrada: Eutardigrada: Parachela: Macrobiotidae)." Proceedings of the Biological Society of Washington 125, no. 1 (2012): 54–60. http://dx.doi.org/10.2988/11-15.1.

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29

Haefke, Brandon J., Anna I. Spiers, William R. Miller, and Margret D. Lowman. "Tardigrades of the Canopy:Doryphoribius elleneddieinov. sp. (Eutardigrada, Parachela, Hypsibiidae), a New Species from Eastern Kansas, U.S.A." Transactions of the Kansas Academy of Science 117, no. 3 & 4 (2014): 299–304. http://dx.doi.org/10.1660/062.117.0319.

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30

Abe, Wataru. "A New Species of the Genus Hypsibius (Tardigrada: Parachela: Hypsibiidae) from Sakhalin Island, Far East Russia." Zoological Science 21, no. 9 (2004): 957–62. http://dx.doi.org/10.2108/zsj.21.957.

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31

MASSA, EDOARDO, and MATTEO VECCHI. "Description of Macrobiotus kathyae sp. nov. (Parachela: Macrobiotidae) and first records of tardigrades from Indiana (USA)." Zootaxa 5471, no. 3 (2024): 301–17. http://dx.doi.org/10.11646/zootaxa.5471.3.1.

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The integrative description of the new species Macrobiotus kathyae sp. nov. is reported in this study along with the first tardigrade records for Indiana (United States of America). The new species is characterized by having spines in the distal part of the processes ornamenting the free laid eggs. This modified Macrobiotus-type of ornamentations was previously reported also in Macrobiotus annewintersae Vecchi & Stec, 2021 with which the new species forms a monophyletic clade. In seven out of the nine examined samples, eight tardigrade taxa were found including the new species, the first r

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32

Chappell, Benjamin M., Devin Parry, William R. Miller, and Margret D. Lowman. "Tardigrades of the Canopy:Doryphoribius gibberBeasley and Pilato, 1987 (Eutardigrada: Parachela: Hypsibiidae) New Records from Eastern Kansas, U.S.A." Transactions of the Kansas Academy of Science 118, no. 1 & 2 (2015): 48–52. http://dx.doi.org/10.1660/062.118.0106.

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BEASLEY, CLARK W., and WILLIAM R. MILLER. "Additional Tardigrada from Hubei Province, China, with the description of Doryphoribius barbarae sp. nov. (Eutardigrada: Parachela: Hypsibiidae)." Zootaxa 3170, no. 1 (2012): 55. http://dx.doi.org/10.11646/zootaxa.3170.1.5.

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Previous papers have reported eleven species of Tardigrada from Hubei Province, and this paper more than doubles that number to 23 species, which includes five new records for China, one new record for mainland China, and one species new to science. Doryphoribius barbarae sp. nov. (evelinae group), has two macroplacoids, no microplacoid, nine rows of gibbosities (IX: 2-4-4-4-4-6-4-4-2), cuticle and gibbosities with irregularly shaped and arranged tubercles. It differs from similar species in the number of rows and the number of gibbosities per row, the cuticular pattern, or the size of the mac

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34

Cesari, Michele, Matteo Vecchi, Aparna Palmer, et al. "What if the claws are reduced? Morphological and molecular phylogenetic relationships of the genusHaplomacrobiotusMay, 1948 (Eutardigrada, Parachela)." Zoological Journal of the Linnean Society 178, no. 4 (2016): 819–27. http://dx.doi.org/10.1111/zoj.12424.

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35

Ito, Makiko, Tokiko Saigo, Wataru Abe, Takeo Kubo, and Takekazu Kunieda. "Establishment of an isogenic strain of the desiccation-sensitive tardigradeIsohypsibius myrops(Parachela, Eutardigrada) and its life history traits." Zoological Journal of the Linnean Society 178, no. 4 (2016): 863–70. http://dx.doi.org/10.1111/zoj.12449.

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36

STEC, Daniel, and Reinhardt Møbjerg KRISTENSEN. "An integrative description of Mesobiotus ethiopicus sp. nov. (Tardigrada: Eutardigrada: Parachela: Macrobiotidae: harmsworthi group) from the northern Afrotropic region." TURKISH JOURNAL OF ZOOLOGY 41 (2017): 800–811. http://dx.doi.org/10.3906/zoo-1701-47.

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37

Rost-Roszkowska, Magdalena, Kamil Janelt, and Izabela Poprawa. "Fine structure of the midgut epithelium of Thulinius ruffoi (Tardigrada, Eutardigrada, Parachela) in relation to oogenesis and simplex stage." Arthropod Structure & Development 49 (March 2019): 128–36. http://dx.doi.org/10.1016/j.asd.2018.12.002.

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38

Scheirer, Chelsea N., William R. Miller, and Jeffrey D. Miller. "Tardigrades of North America: Additions to Montana’s Biodiversity Including a New Species, Platicrista loloensis nov. sp. (Parachela, Hypsibioidea, Itaquasconinae)." Diversity 16, no. 6 (2024): 334. http://dx.doi.org/10.3390/d16060334.

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A total of 205 tardigrades representing two orders, five families, nine genera and ten species were extracted from a moss sample (104 tardigrades) and a lichen sample (101 tardigrades) collected near Missoula, Montana, in 2016. Three of the species are new to Montana and one is new to science, Platicrista loloensis nov. sp., which is distinguished by its smooth cuticle, the presence of internal cuticular bars at the base of the claws of legs II and III and a median cuticular bar between the claws of leg IV.

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39

Radityani, Fitri. "Biodiversitas Perikanan Di Saluran Irigasi Bayongbong, Kec. Ciruas, Kota Serang, Banten." MAIYAH 3, no. 4 (2024): 221. https://doi.org/10.20884/1.maiyah.2024.3.4.13653.

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Irrigation canals as a vital role in supporting agriculture by ensuring optimal water distribution for crops. However, apart from being a water distribution route for agriculture, irrigation canals also have the potential to be a habitat for various fish species. Therefore, this research was conducted to assess fish biodiversity in the Bayongbong irrigation canal in Ciruas District, Serang Regency, Banten. The research was conducted in February 2024 using fishing equipment and worm bait to catch fish. Fish identification was carried out by observation based on fish morphology using a freshwate

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40

Bartels, Paul J., Diane R. Nelson, Łukasz Kaczmarek, and Łukasz Michalczyk. "Ramazzottius belubellus, a new species of Tardigrada (Eutardigrada: Parachela: Hypsibiidae) from the Great Smoky Mountains National Park (North Carolina, U.S.A.)." Proceedings of the Biological Society of Washington 124, no. 1 (2011): 23–27. http://dx.doi.org/10.2988/10-13.1.

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41

Janelt, Kamil, Filip Wieczorkiewicz, and Izabela Poprawa. "The organisation of the digestive, excretory and reproductive systems in cysts of the freshwater tardigrade Thulinius ruffoi (Parachela, Isohypsibioidea: Doryphoribiidae)." Micron 183 (August 2024): 103660. http://dx.doi.org/10.1016/j.micron.2024.103660.

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42

Zantke, Juliane, Carsten Wolff, and Gerhard Scholtz. "Three-dimensional reconstruction of the central nervous system of Macrobiotus hufelandi (Eutardigrada, Parachela): implications for the phylogenetic position of Tardigrada." Zoomorphology 127, no. 1 (2007): 21–36. http://dx.doi.org/10.1007/s00435-007-0045-1.

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Velasco-Castrillón, Alejandro, Sandra J. McInnes, Mark B. Schultz, et al. "Mitochondrial DNA analyses reveal widespread tardigrade diversity in Antarctica." Invertebrate Systematics 29, no. 6 (2015): 578. http://dx.doi.org/10.1071/is14019.

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Antarctica contains some of the most challenging environmental conditions on the planet due to freezing temperatures, prolonged winters and lack of liquid water. Whereas 99.7% of Antarctica is permanently covered by ice and snow, some coastal areas and mountain ridges have remained ice-free and are able to sustain populations of microinvertebrates. Tardigrades are one of the more dominant groups of microfauna in soil and limno-terrestrial habitats, but little is known of their diversity and distribution across Antarctica. Here, we examine tardigrades sampled from across an extensive region of

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Mahyudi, Indra, Dewi Merdekawati, and Maryono Maryono. "Pemetaan Potensi Biodiversitas Ikan di Daerah Hulu Sungai Sambas dan Danau Kurapan Desa Sepantai, Kalimantan Barat." JURNAL MINA SAINS 7, no. 1 (2021): 9–19. http://dx.doi.org/10.30997/jmss.v7i1.3578.

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Studi ini bertujuan untuk mengkaji biodiveristas ikan dan beberapa dinamika terkait seperti karakteristik habitat, komposisi dan keragaman komunitas, status IUCN red list dan kemanfaatan. Penelitian dilakukan pada daerah hulu Sungai Sambas dan Danau Kurapan Desa Sepantai Kalimantan Barat. Untuk menghimpun data potensi biodiversitas ikan dilakukan pengamatan karakteristik habitat perairan, pengumpulan sampel ikan yang akan menggambarkan komposisi dan keragaman ikan serta penyusunan daftar status IUCN red list dan kemanfaatannya. Hasil sampling ikan selama penelitian didapatkan 152 individu yang

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Stec, Daniel, Witold Morek, Piotr Gąsiorek, and Łukasz Michalczyk. "Unmasking hidden species diversity within the Ramazzottius oberhaeuseri complex, with an integrative redescription of the nominal species for the family Ramazzottiidae (Tardigrada: Eutardigrada: Parachela)." Systematics and Biodiversity 16, no. 4 (2018): 357–76. http://dx.doi.org/10.1080/14772000.2018.1424267.

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Page, Lawrence M., Weerapongse Tangjitjaroen, Jirasin Limpichat, et al. "A taxonomic revision of Parachela with descriptions of two new species (Cypriniformes: Xenocyprididae)." Journal of Fish Biology, September 19, 2024. http://dx.doi.org/10.1111/jfb.15869.

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AbstractThe taxonomy of the Parachela–Oxygaster–Macrochirichthys clade of Xenocyprididae has been confused since the original descriptions of Parachela oxygastroides and Parachela hypophthalmus in the mid‐19th century. The confusion seems attributable to the substantial intraspecific variation in color and other morphological characteristics of species of Oxygaster and Parachela. Morphological data on 401 specimens from throughout the range of Parachela and molecular phylogenetic analyses indicate that six available species names for Parachela are valid: Parachela cyanea, P. hypophthalmus, Par

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Rost-Roszkowska, M., K. Janelt, and I. Poprawa. "Ultrastructure of the midgut epithelium in three species of Macrobiotidae (Tardigrada: Eutardigrada: Parachela)." Zoological Journal of the Linnean Society, August 6, 2019. http://dx.doi.org/10.1093/zoolinnean/zlz052.

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Abstract Three species of Macrobiotidae, Macrobiotus polonicus, Macrobiotus diversus and Macrobiotus pallarii, were selected for analysis of the fine structure of the midgut epithelium. They are gonochoric and carnivorous species that live in wet terrestrial and freshwater environments. The ultrastructure of the midgut epithelium of the investigated Macrobiotidae species was analysed in both males and females. Their digestive system is composed of fore- and hindguts that are covered by a cuticle, and the middle region, termed the midgut. It is lined with a simple epithelium that is formed by d

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Caicedo, Martín, Moisés Arquez, Lyda R. Castro, and Sigmer Quiroga. "Códigos de barras genéticos en una especie de Paramacrobiotus (Tardigrada: Parachela) en Santa Marta, Colombia." Intropica, June 22, 2017, 15. http://dx.doi.org/10.21676/23897864.2125.

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Debido a la gran cantidad de especies y a las dificultades en su identificación morfológica, muchos estudios taxonómicos actuales de tardígrados se basan en el uso de técnicas genéticas y moleculares. En Colombia son necesarios estudios enfocados en esta disciplina que permitan complementar la información morfológica; por consiguiente se analizaron siete secuencias del gen COI en el género de tardígrado Paramacrobiotus de la cuenca baja del río Manzanares, en Santa Marta, y se compararon con las secuencias del mismo género presentes en la base de datos de GenBank a través de un análisis de div

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Janelt, Kamil, Marta Jezierska, Sebastian Student, and Izabela Poprawa. "Structure of the germarium and female germ-cell clusters in Thulinius ruffoi (Bertolani, 1982) (Tardigrada: Eutardigrada: Parachela)." Zoological Journal of the Linnean Society, October 19, 2019. http://dx.doi.org/10.1093/zoolinnean/zlz108.

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Abstract Thulinius ruffoi is a freshwater species that has the ability to reproduce via parthenogenesis. A meroistic polytrophic ovary is present in this species. Analyses of the germarium structure, and formation and organization of female germ-cell clusters were performed using light, confocal laser scanning, transmission electron and serial block-face scanning electron microscopy. The germarium is the small, anterior part of an ovary that contains putative germ-line stem cells. In the studied species, the female germ-cell clusters are large and branched. Only one cell in each cluster develo

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Janelt, Kamil, and Izabela Poprawa. "Insights into the Cyst Organisation and Selected Morpho-Physiological Aspects of Encystment in Thulinius ruffoi (Parachela, Isohypsibioidea: Doryphoribiidae)." Micron, November 2024, 103748. http://dx.doi.org/10.1016/j.micron.2024.103748.

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