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Issue: Vol. 2088 No. 1: 1 May. 2009
Type: Article
Published: 2009-05-01
DOI: 10.11646/zootaxa.2088.1.3
Page range: 24–30
Abstract views: 28
PDF downloaded: 1

A new mud shrimp species of Calastacus (Crustacea: Decapoda: Thalassinidea) from the South China Sea

Natural History Museum and Institute, Chiba, 955-2 Aoba-cho, Chuo-ku, 260-8682 Japan
Department of Life Sciences, National Cheng Kung University, Tainan, Taiwan, R.O.C.
Institute of Marine Biology, National Taiwan Ocean University, Keelung, Taiwan, R.O.C
Crustacea Decapoda Thalassinidea Calocarididae Calastacus new species Pratas Islands South China Sea

Abstract

A new mud shrimp species of the deepwater calocaridid genus Calastacus Faxon, 1893, C. inflatus, is described on the basis of a single specimen from the South China Sea off the Pratas Islands. It is unique in the genus in having a faint cervical groove on the carapace, lacking spiniform projection at the dorsolateral distal angle of the second segment of the antennal peduncle, the possession of only one spine on the ventral margin of the merus of the cheliped, and the unarmed suture on the uropodal exopod. With the addition of the present new species, two species of the genus are now known from the West Pacific.

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