Zhang R., Zhao Y.,Lu B., and Wang C. (2017). A new species in the genus Styracaster (Echinodermata: Asteroidea: Porcellanasteridae) from hadal depth of the Yap Trench in the western Pacific. Zootaxa. 4338(1): 153-162.

286052

10.11646/zootaxa.4338.1.8 [view]

Zhang R., Zhao Y.,Lu B., and Wang C.

2017

4338(1): 153-162

Publication

http://www.mapress.com/j/zt/article/view/zootaxa.4338.1.8

Styracaster yapensis sp. nov. is reported from the Yap Trench in the western Pacific from hadal depths between 6377–6575 m, which is among the deepest known occurrence of a species in this genus. It is distinguished from other Styracaster species by its abactinal surface armature and rudimentary cribriform organs. This paper provides a description of the new species along with detailed photos. The intraspecific differences between the holotype and paratype of the new species are examined with molecular and morphological approaches.

Abyssal, Deep-Sea
Fauna and Flora, Faunistic inventories, Checklists, Catalogues
Systematics, Taxonomy

Asteroidea

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