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A taxonomic review of the genus Astrodia (Echinodermata: Ophiuroidea: Asteronychidae)

Published online by Cambridge University Press:  07 November 2013

Masanori Okanishi  and
Toshihiko Fujita
Masanori Okanishi*
Affiliation:
Seto Marine Biological Laboratory, Field Science Education and Research Center, Kyoto University, 459 Shirahama, Nishimuro Wakayama 649-2211, Japan
Toshihiko Fujita
Affiliation:
Department of Zoology, National Museum of Nature and Science, Amakubo, 4-1-1, Tsukuba, Ibaraki 305-0005, Japan
*
Correspondence should be addressed to: M. Okanishi, Seto Marine Biological Laboratory, Field Science Education and Research Center, Kyoto University, 459 Shirahama, Nishimuro Wakayama 649-2211, Japan email: mokanishi@tezuru-mozuru.com
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Abstract

The genus Astrodia (Echinodermata: Ophiuroidea: Asteronychidae) was revised based on 34 specimens including two syntypes of Asteronyx excavata, two syntypes of Asteronyx plana and two syntypes of Ophiocreas abyssicola. We proposed a transfer of Ophiocreas abyssicola (Euryalidae) to the genus Astrodia. Consequently, Astrodia now includes four species, Astrodia abyssicola, A. excavata, A. plana and A. tenuispina. These four species are all redescribed. A taxonomic key to the species of the genus Astrodia is also provided.

Keywords

brittle stardeep seaOphiocreasnew combinationtaxonomyredescription
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 94 , Issue 1 , February 2014 , pp. 187 - 201
Copyright
Copyright © Marine Biological Association of the United Kingdom 2013 

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