On potentials and relevance of the use of copulatory structures in anostracan taxonomy |
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Authors: | Brendonck Luc Belk Denton |
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Affiliation: | (1) Freshwater Biology, Royal Belgian Institute of Natural Sciences, Vautierstraat 29, B-1000 Brussels, Belgium;(2) Biology Department, Our Lady of the Lake University, 411 S.W. 24th Street, San Antonio, TX 78285, USA |
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Abstract: | This paper reviews and extends the knowledge of anostracan penile morphology and its taxonomic significance. Since Linder‘s pioneering classification(based partly on male genital characters), the morphology of both basal and distal penile parts has been applied repeatedly to reorganize or establish higher anostracan taxa, or to extend their diagnoses. In general, the configuration of both basal and distal penile structures follows a constant pattern in well-defined genera. Size and shape of processes and spinulation on the basal (in Linderiella and Chirocephalidae) and the distal parts (in Parartemia), however, may show inter-specific differences. Variability in penile structures in the current genus Brachinella indicates the need for a taxonomic revision of this genus. Similar intra-generic penis morphology may contribute to hybridizability of congeners and validate Dubois‘genus concept for use in anostracans. This revised version was published online in August 2006 with corrections to the Cover Date. |
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Keywords: | Branchiopoda Anostraca genital morphology genus concept |
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