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Coulmannia rossensis sp n. (Isopoda, Asellota, Paramunnidae) from the Ross Sea, Southern Ocean

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Citation

Choudhury, M., Doti, B. L., & Brandt, A. (2011). Coulmannia rossensis sp n. (Isopoda, Asellota, Paramunnidae) from the Ross Sea, Southern Ocean. ZOOKEYS, (82), 45-57. doi:10.3897/zookeys.82.775.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0017-D31C-C
Abstract
A new species of Coulmannia, C. rossensis, is described from the Ross Sea, Antarctica. It is most similar to C. ramosae Castello, 2004, but can easily be distinguished from this species by the males yielding a pair of granulate humps on the dorsum of the pereonites 1-6 and a single granulate hump on the pereonite 7 and the free pleonite. Coulmannia rossensis sp. n. is sexually dimorphic. The dorsal sculpture of the female bodies yield a single granulate hump on all the pereonites and free pleonite. The species of the genus Coulmannia are restricted to the Southern Ocean, and C. rossensis sp. n. is the fourth species included in it.