Title

Redescription of Mesokalliapseudes crassus (Menzies, 1953) (Crustacea : Tanaidacea : Kalliapseudidae): The First Record of a Hermaphroditic Kalliapseudid

Document Type

Article

Publication Date

12-20-2007

Department

Coastal Sciences, Gulf Coast Research Laboratory

Abstract

The type species of the genus Mesokalliapseudes Lang 1956, M. crassus (Menzies 1953), which was originally incompletely described and illustrated, is redescribed and a key to the species of the genus is provided. A study of type and non-type material indicates that M. crassus is a protandric hermaphrodite. All of the adult specimens of M. crassus examined, including presumptive males and preincubatory and incubatory females, had a male genital cone. In all other aspects, except for the development of oostegites in the female phase, this species expresses no marked sexual dimorphism.

Publication Title

Proceedings of the Biological Society of Washington

Volume

120

Issue

4

First Page

459

Last Page

468