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A new large oregoniid spider crab of the genus Pleistacantha Miers, 1879, from the Bay of Bengal, India (Crustacea, Brachyura, Majoidea).

ABSTRACT: A new species of deep-water oregoniid spider crab of the genus Pleistacantha Miers, 1879, is described from the Indian Ocean. The species is distinct in possessing a prominently inflated carapace in which the median parts of the branchial regions almost meet. It can also be distinguished from its closest congeners, P. moseleyi (Miers, 1885), P. pungens (Wood-Mason, in Wood-Mason & Alcock, 1891), and P. ori Ahyong & Ng, 2007, in its more elongate and less spinose chelipeds and ambulatory legs, shorter third maxilliped, trapezoidal male pleon and a male first gonopod which is relatively stout with a short subdistal dorsal papilla.

SUBMITTER: Ng PKL 

PROVIDER: S-EPMC5740409 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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A new large oregoniid spider crab of the genus <i>Pleistacantha</i> Miers, 1879, from the Bay of Bengal, India (Crustacea, Brachyura, Majoidea).

Ng Peter K L PKL   Ravinesh Raveendhiran R   Ravichandran S S  

ZooKeys 20171129 716

A new species of deep-water oregoniid spider crab of the genus <i>Pleistacantha</i> Miers, 1879, is described from the Indian Ocean. The species is distinct in possessing a prominently inflated carapace in which the median parts of the branchial regions almost meet. It can also be distinguished from its closest congeners, <i>P. moseleyi</i> (Miers, 1885), <i>P. pungens</i> (Wood-Mason, in Wood-Mason & Alcock, 1891), and <i>P. ori</i> Ahyong & Ng, 2007, in its more elongate and less spinose cheli  ...[more]

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