Cladaster Verrill 1899
Cladaster Verrill, 1899 Verrill, 1899: 175; Fisher, 1911: 221; Bernasconi, 1963: 13; 1964: 255; Halpern, 1970 b: 179; Clark & Downey, 1992: 238; Clark, 1993: 251. Diagnosis. Body weakly stellate. Abactinal plates low tabulate with weakly to strongly expressed fasciolar channels. Hemispherical gr...
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ftzenodo:oai:zenodo.org:6184337 2023-05-15T13:59:43+02:00 Cladaster Verrill 1899 Mah, Christopher L. 2011-12-31 https://zenodo.org/record/6184337 https://doi.org/10.5281/zenodo.6184337 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03D28792FFD6FF8F84E416ED6FF68696 doi:10.5281/zenodo.276783 http://publication.plazi.org/id/FFEBFFEAFFC4FF9D847312686C098034 doi:10.5281/zenodo.6184336 https://zenodo.org/communities/biosyslit https://zenodo.org/record/6184337 https://doi.org/10.5281/zenodo.6184337 oai:zenodo.org:6184337 info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode Taxonomy of high-latitude Goniasteridae (Subantarctic & Antarctic): one new genus, and three new species with an overview and key to taxa, pp. 1-48 in Zootaxa 2759 19 Biodiversity Taxonomy Animalia Echinodermata Asteroidea Valvatida Goniasteridae Cladaster info:eu-repo/semantics/other publication-taxonomictreatment 2011 ftzenodo https://doi.org/10.5281/zenodo.618433710.5281/zenodo.27678310.5281/zenodo.6184336 2023-03-10T18:12:57Z Cladaster Verrill, 1899 Verrill, 1899: 175; Fisher, 1911: 221; Bernasconi, 1963: 13; 1964: 255; Halpern, 1970 b: 179; Clark & Downey, 1992: 238; Clark, 1993: 251. Diagnosis. Body weakly stellate. Abactinal plates low tabulate with weakly to strongly expressed fasciolar channels. Hemispherical granules present on abactinal, marginal, and actinal plate surface which are deciduous on preserved specimens. Large, spatulate type pedicellariae present. Furrow spines, two, thickened and oval in crosssection. Large, thick subambulacral spine present in addition to furrow spine Comments. Cladaster includes five nominal species, some of which are separated by either continuous character differences (i.e., number of superomarginals vary between species, number of granules per plate surface, relative thickness of furrow spines) or relatively few, discrete character differences. Clark and Downey (1992) and McKnight (2006) have also commented on how ontogenetic characters, such as specimen size and number of abutting superomarginal plates have been the primary means of distinguishing species. Factors such as the wide geographic separation of known species and paucity of specimens have encouraged retention of established Cladaster species, in spite of overlapping characters and discrete taxonomic boundaries. Published as part of Mah, Christopher L., 2011, Taxonomy of high-latitude Goniasteridae (Subantarctic & Antarctic): one new genus, and three new species with an overview and key to taxa, pp. 1-48 in Zootaxa 2759 on page 19, DOI:10.5281/zenodo.276783 Other/Unknown Material Antarc* Antarctic Zenodo Antarctic |
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unknown |
topic |
Biodiversity Taxonomy Animalia Echinodermata Asteroidea Valvatida Goniasteridae Cladaster |
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Biodiversity Taxonomy Animalia Echinodermata Asteroidea Valvatida Goniasteridae Cladaster Mah, Christopher L. Cladaster Verrill 1899 |
topic_facet |
Biodiversity Taxonomy Animalia Echinodermata Asteroidea Valvatida Goniasteridae Cladaster |
description |
Cladaster Verrill, 1899 Verrill, 1899: 175; Fisher, 1911: 221; Bernasconi, 1963: 13; 1964: 255; Halpern, 1970 b: 179; Clark & Downey, 1992: 238; Clark, 1993: 251. Diagnosis. Body weakly stellate. Abactinal plates low tabulate with weakly to strongly expressed fasciolar channels. Hemispherical granules present on abactinal, marginal, and actinal plate surface which are deciduous on preserved specimens. Large, spatulate type pedicellariae present. Furrow spines, two, thickened and oval in crosssection. Large, thick subambulacral spine present in addition to furrow spine Comments. Cladaster includes five nominal species, some of which are separated by either continuous character differences (i.e., number of superomarginals vary between species, number of granules per plate surface, relative thickness of furrow spines) or relatively few, discrete character differences. Clark and Downey (1992) and McKnight (2006) have also commented on how ontogenetic characters, such as specimen size and number of abutting superomarginal plates have been the primary means of distinguishing species. Factors such as the wide geographic separation of known species and paucity of specimens have encouraged retention of established Cladaster species, in spite of overlapping characters and discrete taxonomic boundaries. Published as part of Mah, Christopher L., 2011, Taxonomy of high-latitude Goniasteridae (Subantarctic & Antarctic): one new genus, and three new species with an overview and key to taxa, pp. 1-48 in Zootaxa 2759 on page 19, DOI:10.5281/zenodo.276783 |
format |
Other/Unknown Material |
author |
Mah, Christopher L. |
author_facet |
Mah, Christopher L. |
author_sort |
Mah, Christopher L. |
title |
Cladaster Verrill 1899 |
title_short |
Cladaster Verrill 1899 |
title_full |
Cladaster Verrill 1899 |
title_fullStr |
Cladaster Verrill 1899 |
title_full_unstemmed |
Cladaster Verrill 1899 |
title_sort |
cladaster verrill 1899 |
publishDate |
2011 |
url |
https://zenodo.org/record/6184337 https://doi.org/10.5281/zenodo.6184337 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Taxonomy of high-latitude Goniasteridae (Subantarctic & Antarctic): one new genus, and three new species with an overview and key to taxa, pp. 1-48 in Zootaxa 2759 19 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03D28792FFD6FF8F84E416ED6FF68696 doi:10.5281/zenodo.276783 http://publication.plazi.org/id/FFEBFFEAFFC4FF9D847312686C098034 doi:10.5281/zenodo.6184336 https://zenodo.org/communities/biosyslit https://zenodo.org/record/6184337 https://doi.org/10.5281/zenodo.6184337 oai:zenodo.org:6184337 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.618433710.5281/zenodo.27678310.5281/zenodo.6184336 |
_version_ |
1766268482947645440 |