Saba, M, Iwao, K, and Fujita, T. (2012). A new asterinid sea star, Disasterina akajimaensis (Echinodermata; Asteroidea) from the Ryukyu Islands, Japan with notes on the genus Disasterina. Species Diversity. 17: 21-28.

166078

Saba, M, Iwao, K, and Fujita, T.

2012

17: 21-28

Publication

A new asterinid, Disasterina akajimaensis sp. nov., is described from a specimen collected at Akajima Island, the Ryukyu Islands, Japan. It is clearly distinguishable from its ve congeners by the following diagnostic characters: body relatively low and at, uncalcied interradial areas conspicuous on ventral interradii, papulae numerous in center of disc, abactinal plates mostly lacking spinelets, inferomarginal plates with 2–4 spinelets, actinolateral plates with 1 spine, oral plates with 4–5 oral spines and no suboral spine, adambulacral plates with 1–3 furrows and 1 subambulacral spine. This is the first report of this genus from Japanese waters. Notes on the genus Disasterina and a tabular summary of the characters of the currently known species are also given.

Japan

Systematics, Taxonomy

Asteroidea

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