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

被引：4
作者：
Castelló, J [1 ]
机构：
[1] Univ Barcelona, Dept Didact Ciencies Expt & Matemat, Barcelona 08035, Spain
来源：
ANTARCTIC SCIENCE | 2004年 / 16卷 / 03期
关键词：
Austrosignum escandellae sp nov; Coulmannia ramosae sp nov; taxonomy;
D O I：
10.1017/S0954102004002093
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
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, 19 10 and C. frigida Hodgson, 19 10) 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.
引用
收藏
页码：239 / 252
页数：14
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