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Relevant bibliographies by topics / Sclerite variability

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Journal articles

Academic literature on the topic 'Sclerite variability'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Sclerite variability"

1

Gonella, Fátima Micaela, Fabián Horacio Acuña, and Agustín Garese. "Morphological study of the sclerites of the species Renilla muelleri Kölliker, 1872 (Anthozoa, Octocorallia, Pennatulacea)." Papéis Avulsos de Zoologia 64 (August 9, 2024): e202464026. http://dx.doi.org/10.11606/1807-0205/2024.64.026.

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Some octocorals (Cnidaria, Anthozoa) can produce a sub-millimeter to a millimeter-range skeleton of calcium carbonate, known as sclerites. Sclerites have diverse morphological characters, such as size, and shape features that give them relevance as taxonomic characters at different levels. Renilla Lamarck, 1816, is a genus of the order Pennatulacea (Octocorallia), in which colonies are characterized by two distinct zones: a peduncle, which anchors them to the substrate, and a rachis that supports the polyps. In the case of Renilla muelleri Kölliker, 1872, prior research established the presenc

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2

Rubec, Louise A. "Redescription of Diclidophora nezumiae (Monogenea: Diclidophoridae) from Nezumia bairdi (Macrouridae), from the Gulf of St. Lawrence." Canadian Journal of Zoology 69, no. 9 (1991): 2334–37. http://dx.doi.org/10.1139/z91-328.

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Diclidophora nezumiae Munroe, Campbell, and Zwerner, 1981 is redescribed from the common grenadier, Nezumia bairdi (Macrouridae), in the Gulf of St. Lawrence. A prostatic vesicle is present in the terminal male genitalia. A complete lamellate extension attached to peripheral sclerite c1, is present in the clamp anterior jaw of Diclidophora nezumiae. Variability in the appearance of the clamp of Diclidophora nezumiae is presented.

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3

Leite, L. A. R., D. Bonfantti, A. L. Lindke, M. M. Casagrande, and O. H. H. Mielke. "Comparative study on the hypandrium of the Neotropical Biblidinae (Lepidoptera: Nymphalidae)." SHILAP Revista de lepidopterología 45, no. 178 (2017): 263–82. http://dx.doi.org/10.57065/shilap.1001.

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Biblidinae is a subfamily of Nymphalidae with over 250 species for the Neotropical Region. All males have a modified eighth sternum, this being the hypandrium. In order to demonstrate the structural variability and to assist in species identification, the morphological variations in species of 24 genera are illustrated and analyzed. Methods traditionally applied to dissection in Lepidoptera were used. To illustrate the variations, drawings were done with the aid of a camera lucida attached to a stereomicroscope and Scanning Electron Microscopy. The sclerite showed great variation with special

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4

Kubiak, Martin, Felix Beckmann, and Frank Friedrich. "The adult head of the annulipalpian caddisfly Philopotamus ludificatus McLachlan, 1878 (Philopotamidae), mouthpart homologies, and implications on the ground plan of Trichoptera." Arthropod Systematics & Phylogeny 73, no. 3 (2015): 351–84. http://dx.doi.org/10.3897/asp.73.e31824.

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Adult head structures of representatives of all major trichopteran lineages were examined by using a combination of well-established morphological techniques as histology, light microscopy, scanning electron microscopy, and micro-computed tomography in combination with computer-based 3D-reconstruction. Internal and external cephalic features of the annulipalpian representative, Philopotamus ludificatus McLachlan, 1878, are described and illustrated in detail. The sclerites of maxilla and labium are often fused and inseparable leading to different homology hypotheses in the literature, concerni

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5

Kubiak, Martin, Felix Beckmann, and Frank Friedrich. "The adult head of the annulipalpian caddisfly Philopotamus ludificatus McLachlan, 1878 (Philopotamidae), mouthpart homologies, and implications on the ground plan of Trichoptera." Arthropod Systematics & Phylogeny 73 (December 14, 2015): 351–84. https://doi.org/10.3897/asp.73.e31824.

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Abstract:

Adult head structures of representatives of all major trichopteran lineages were examined by using a combination of well-established morphological techniques as histology, light microscopy, scanning electron microscopy, and micro-computed tomography in combination with computer-based 3D-reconstruction. Internal and external cephalic features of the annulipalpian representative, Philopotamus ludificatus McLachlan, 1878, are described and illustrated in detail. The sclerites of maxilla and labium are often fused and inseparable leading to different homology hypotheses in the literature, concerni

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6

Kaev, A. M., L. V. Romasenko, and D. A. Kaev. "Scale-Based Study of Linear Growth Rate of Pink Salmon Oncorhynchus gorbuscha (Salmonidae)." Вопросы ихтиологии 63, no. 1 (2023): 50–60. http://dx.doi.org/10.31857/s004287522301006x.

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The retrospective study of the linear growth of pink salmon Oncorhynchus gorbuscha based on measurements of the scales of the fish returned to spawn has been performed at the southeastern coast of Sakhalin Island in 2005–2020. Growth characteristics, such as the increase in its length during sclerite formation, variability and asymmetry of the size composition during growth, are compared with the survival rate of the corresponding generations. Correlation of growth rate with the survival rate of the corresponding generations is observed only during the early marine period of life. The changes

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7

Samimi-Namin, Kaveh, and Ofwegen Leen van. "Overview of the genus Briareum (Cnidaria, Octocorallia, Briareidae) in the Indo-Pacific, with the description of a new species." ZooKeys 557 (January 28, 2016): 1–44. https://doi.org/10.3897/zookeys.557.6298.

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The status of Indo-Pacific Briareum species (Cnidaria, Octocorallia, Briareidae) is reviewed by presenting their sclerite features and habitus descriptions. Following the re-examination of type material, museum specimens and newly collected specimens, a species identification key is provided. The species distributions are discussed and updated distribution ranges are depicted. Moreover, a new taxon, B. cylindrum sp. n. is described and depicted, whereas B. excavatum (Nutting, 1911) is synonymised with B. stechei (Kükenthal, 1908). Briareum hamrum (Gohar, 1948) is recorded from the Persian Gulf

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8

A., Canal Nelson, Vicente Hernández-Ortiz, Juan Tigrero, and Denise Selivon. "Morphometric study of third-instar larvae from five morphotypes of the Anastrepha fraterculus cryptic species complex (Diptera, Tephritidae)." ZooKeys 540 (November 26, 2015): 41–59. https://doi.org/10.3897/zookeys.540.6012.

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The occurrence of cryptic species among economically important fruit flies strongly affects the development of management tactics for these pests. Tools for studying cryptic species not only facilitate evolutionary and systematic studies, but they also provide support for fruit fly management and quarantine activities. Previous studies have shown that the South American fruit fly, Anastrepha fraterculus, is a complex of cryptic species, but few studies have been performed on the morphology of its immature stages. An analysis of mandible shape and linear morphometric variability was applied to

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9

Cho, Kyuhee, Chailinn Park, and Ruth Böttger-Schnack. "Taxonomy of three species of the genus Spinoncaea (Copepoda, Oncaeidae) in the North Pacific Ocean with focus on morphological variability." ZooKeys 1043 (June 15, 2021): 147–91. http://dx.doi.org/10.3897/zookeys.1043.64438.

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Three species of Spinoncaea Böttger-Schnack, 2003 are newly recorded in three locations of the equatorial and temperate Pacific Ocean collected by using a net of 60 μm mesh size. For all three species, morphological characters and patterns of ornamentation were analyzed in detail and illustrations of both sexes, also including form variants of the females, are provided. For the first time, information about the variability of various continuous (morphometric) characters are given, such as the spine lengths on the rami of the swimming legs or the proportions of urosomites. The complementary mor

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10

Cho, Kyuhee, Chailinn Park, and Ruth Böttger-Schnack. "Taxonomy of three species of the genus Spinoncaea (Copepoda, Oncaeidae) in the North Pacific Ocean with focus on morphological variability." ZooKeys 1043 (June 15, 2021): 147–91. https://doi.org/10.3897/zookeys.1043.64438.

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Abstract:

Three species of Spinoncaea Böttger-Schnack, 2003 are newly recorded in three locations of the equatorial and temperate Pacific Ocean collected by using a net of 60 μm mesh size. For all three species, morphological characters and patterns of ornamentation were analyzed in detail and illustrations of both sexes, also including form variants of the females, are provided. For the first time, information about the variability of various continuous (morphometric) characters are given, such as the spine lengths on the rami of the swimming legs or the proportions of urosomites. The complementary mor

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