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Taxonomic and biogeographic analysis of the Proasellus coxalis-group (crustacea, isopoda, asellidae) in Sicily, with description of Proasellus montalentii n. sp. by Fabio Stoch; Flora Valentino; Emanuela Volpi is a Environmental Science article available to read on EtoBox.

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The genus Proasellus is widespread in ponds, ditches and rivers of Sicily . A detailed morphological analysis of several samples of asellids collected in Sicilian freshwaters resulted in the determination of three species of the Proasellus coxalis-group : P banyulensis italicus (Dudich, 1925), P montalentii n . sp . and P. wolfi (Dudich, 1925), which is elevated to specific rank . The three species can be distinguished on the basis of the sutures of pleopod V exopod . Proasellus montalentii inhabits the western part of Sicily, while the range of P. wolfi is confined to the Iblean region. Both species are more closely related to the North African taxa of Proasellus coxalis-group, while Proasellus banyulensis italicus is very similar to the populations found in peninsular Italy . These patterns are explained supposing multiple colonizations of Sicily during Pliocene connections .

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Author

Fabio Stoch; Flora Valentino; Emanuela Volpi

Publisher

Springer; Springer-Verlag; Springer (Kluwer Academic Publishers); Kluwer Academic Publishers; Springer Science and Business Media LLC (ISSN 1573-5141)

Published

1996

Language

EN

Field

Environmental Science (Physical Sciences)