https://doi.org/10.4081/jlimnol.2015.1258

A new species of Diaphanosoma Fischer, 1850 (Crustacea: Branchiopoda: Sididae) inhabits lakes of the western United States

Vol. 75 No. 1 (2016)
Submitted: 13 May 2015
Accepted: 23 July 2015
Published: 19 August 2015
Diaphanosoma, new species, description, lakes, Western USA.
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Authors

Nikolai M. Korovchinsky
nmkor@yandex.ru
A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, Russian Federation.

Diaphanosoma edmondsoni sp. nov.  is described from material from several lakes in Washington, California, and Montana. It differs from all other known species of the genus in having a specific combination of traits: a head with conspicuously protruding dorsal part, comparatively small eye shifted ventrally, specific armament of postero-ventral valve margin, lack of thorn(s) near posterior valve margin, comparatively long distal basal spine of postabdominal claws of slightly variable shape, and occasional presence of additional large spines on the claws. This is the first endemic species of the genus (and also of the family Sididae and order Ctenopoda) recorded in the western part of North America, which along with some other cladocerans form a group of taxa highlighting this region as one of the regional centers of endemic aquatic fauna. 

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Supporting Agencies

Prof. W.T. Edmondson, University of Washington, Prof. D.G. Frey, Indiana University, Ms. A.H. Litt, School of Aquatic and Fischery Sciences.

How to Cite

Korovchinsky, Nikolai M. 2015. “A New Species of Diaphanosoma Fischer, 1850 (Crustacea: Branchiopoda: Sididae) Inhabits Lakes of the Western United States”. Journal of Limnology 75 (1). https://doi.org/10.4081/jlimnol.2015.1258.