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Type: Article
Published: 2009-01-23
Page range: 61–68
Abstract views: 141
PDF downloaded: 4

Establishment of a new genus for Asthenognathus gallardoi Serène & Soh, 1976 within Gaeticinae Davie & N.K. Ng, 2007 (Crustacea: Decapoda: Brachyura: Varunidae)

Raffles Museum of Biodiversity Research, Department of Biological Sciences, National University of Singapore, Kent Ridge, Singapore 119260, Republic of Singapore University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0213, Japan
Department of Zoology, The Natural History Museum, Cromwell Road, London SW7 5BD, England
Crustacea Asthenognathus gallardoi Varunidae Gaeticinae new genus Thailand Philippines

Abstract

Recently collected Asthenognathus gallardoi Serène & Soh, 1976 from Thailand and the Philippines are examined. Asthenognathus gallardoi possesses long setae of the palp of the third maxilliped and the fused male abdominal segments that are diagnostic characters of Gaeticinae Davie & N.K. Ng, 2007. Although the species lacks the longitudinal sulcus on the anterior segments of the sternum, which is another diagnostic character of Gaeticinae, the anterior part of the sternum is gently concave. The presences of these features indicate that Asthenognathus gallardoi belongs to Gaeticinae, not Asthenognathinae Stimpson, 1858. A new genus is established for Asthenognathus gallardoi to accommodate it in Gaeticinae.

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