On Plesionika persica (Kemp, 1925) and P. reflexa Chace, 1985 (Crustacea: Decapoda: Pandalidae) from India

Type Article
Date 2018-02
Language English
Author(s) Chan Tin-Yam1, 2, Chakraborty Rekha Devi3, Purushothaman P.3, Kuberan G.3, Yang Chien-Hui1, 2
Affiliation(s) 1 : Natl Taiwan Ocean Univ, Inst Marine Biol, 2 Pei Ning Rd, Keelung 20224, Taiwan.
2 : Natl Taiwan Ocean Univ, Ctr Excellence Oceans, 2 Pei Ning Rd, Keelung 20224, Taiwan.
3 : Cent Marine Fisheries Res Inst, Crustacean Fisheries Div, Ernakulam North PO,PB 1603, Cochin 682018, Kerala, India.
Source Zootaxa (1175-5326) (Magnolia Press), 2018-02 , Vol. 4382 , N. 3 , P. 583-591
DOI 10.11646/zootaxa.4382.3.9
WOS© Times Cited 2
Keyword(s) Plesionika, deep-sea, shrimps, taxonomy, India, first record
Abstract The availability of Indian specimens of Plesionika persica (Kemp, 1925) and P. reflexa Chace, 1985 provided more information on the taxonomy around these two species. Moreover, it is the first record of P. persica to India. Although P. taiwanica Chan and Yu, 2000 is superficially rather similar to P. persica, there are many differences between them and probably it is inappropriate to establish a species group for these two species. It is likely that all previous records of P. ensis (A. Milne-Edwards, 1881) from India actually represent P. reflexa Chace, 1985. Nevertheless, the present Indian specimens of P. reflexa have more than 10% COI sequence divergence from the topotypic materials of both P. ensis and P. reflexa, and the epipods at the pereiopods III and IV reduced or absent. This data further highlights the confusing taxonomy in the "P. ensis" group.
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