Antiplanes obesus is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae. The current taxonomy was described by Hiroshi Ozaki in 1958. Obesus used to also be known as Antiplanes kawamurai and Rectiplanes kawamurai before those were made junior-level synonyms.
Description The length of the shell has been measured up to 45 mm.
Distribution This marine species occurs off Japan and the Kurile Islands, Russia.
References
Habe, T. (1958b) Description of three new species of the genus Rectiplanes from Japan. Venus, 20, 181–186 Hasegawa K. (2009) Upper bathyal gastropods of the Pacific coast of northern Honshu, Japan, chiefly collected by R/V Wakataka-maru. In: T. Fujita (ed.), Deep-sea fauna and pollutants off Pacific coast of northern Japan. National Museum of Nature and Science Monographs 39: 225–383. Hasegawa K. & Okutani T. (2011) A review of bathyal shell-bearing gastropods in Sagami Bay. Memoirs of the National Sciences Museum, Tokyo 47: 97-144. [15 April 2011]
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