Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/102243
Title: The first zoeal stage morphology of Crossotonotus spinipes (De Man, 1888) and Pseudopalicus serripes (Alcock & Anderson, 1895), with implications for Palicoid systematics (Crustacea: Brachyura: Palicoidea)
Authors: Clark, P.F.
Fujita, Y.
Ball, A.D.
Ng, P.K.L. 
Issue Date: 4-Jul-2012
Citation: Clark, P.F.,Fujita, Y.,Ball, A.D.,Ng, P.K.L. (2012-07-04). The first zoeal stage morphology of Crossotonotus spinipes (De Man, 1888) and Pseudopalicus serripes (Alcock & Anderson, 1895), with implications for Palicoid systematics (Crustacea: Brachyura: Palicoidea). Zootaxa (3367) : 191-203. ScholarBank@NUS Repository.
Abstract: Traditionally, Crossotonotus spinipes (De Man, 1888) and Pseudopalicus serripes (Alcock & Anderson, 1895) were assigned to the Crossotonotinae Moosa & Serène, 1981, and Palicinae Bouvier, 1898, respectively. However, Ng et al. (2008:127) listed a number of major adult characters that suggested both subfamilies should be recognised as distinct families within the Palicoidea Bouvier, 1898 (see also Castro 2010, 2011; Guinot et al. in prep.). Recently, ovigerous specimens of C. spinipes and P. serripes were collected from Okinawajima and Kumejima, central Ryukyu Islands, Japan. The first zoeal stages of both species were hatched in the laboratory, dissected, examined, and the appendages illustrated and described. Crossotonotus spinipes first stage zoeas were distinguished by three characters: the absence of lateral carapace spines (present in P. serripes), abdominal somite 4 with a pair of dorsolateral processes directed ventrally (absent in P. serripes) and the presence of a small lateral spine on the telson (absent in P. serripes). These distinguishing features appear to support the recent division of the Palicoidea into two families. Copyright © 2012. Magnolia Press.
Source Title: Zootaxa
URI: http://scholarbank.nus.edu.sg/handle/10635/102243
ISSN: 11755326
Appears in Collections:Staff Publications

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