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Two new species of Paramunnidae (Crustacea, Isopoda, Asellota) from the South Shetland Islands

Published online by Cambridge University Press:  28 September 2004

JOSÉ CASTELLÓ
JOSÉ CASTELLÓ
Affiliation:
Departament de Didàctica de les Ciències Experimentals i de la Matemàtica, Universitat de Barcelona, Passeig de la Vall d'Hebron, 171, 08035 Barcelona, Spain, josep.castello@ub.edu
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Abstract

Two new species of Paramunnidae (Crustacea, Isopoda, Asellota) from the South Shetland Islands (sub-Antarctic) are described. Austrosignum escandellae sp. nov. has long eyestalks, dorsum slightly sculpted (transverse bumps on pereonites 1–5), and lateral margins of pereonites rounded. The closest species is A. spinosum Kussakin, 1982 that also shows dorsum sculpted. The main differences are the ocular peduncle (short in A. spinosum) and the lateral margins of pereonites (pointed in A. spinosum). Coulmannia ramosae sp. nov. differs from the other two species of this genus (C. australis Hodgson, 1910 and C. frigida Hodgson, 1910) in that only the margins of pereonites 2–4 are expanded (into one point). A discussion of the Austrosignum/Munnogonium complex is provided with a comparative table of the species involved.

Keywords

Austrosignum escandellae sp. nov.Coulmannia ramosae sp. nov.taxonomy
Type
Research Article
Information
Antarctic Science , Volume 16 , Issue 3 , September 2004 , pp. 239 - 252
Copyright
© Antarctic Science Ltd 2004

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