Checklist of Inland Aquatic Amphipoda (Crustacea: Malacostraca) of California

G. O. Graening, D. Christopher Rogers, John R. Holsinger, Cheryl Barr, Richard Bottorff


We present the first comprehensive checklist of Amphipoda in Californian inland waters. Amphipod distributionrecords were based upon a thorough literature review and unpublished data of colleagues, as well as the collectionsof the authors. We report 62 species in 24 genera and 14 families, including 7 new taxa awaiting formal description.Sixteen species are exotic and at least 20 species are subterranean obligates. Endemicity is high: 40% of the nativefauna are limited to a single locale, typically a spring or cave stream, and another 3 species are known from just 2locales each. Conservation status rank revisions are offered in order to update the California Natural Diversity Da-tabase and IUCN Red List. Threats from invasive species are briefly discussed, as well as the use of amphipods as bioindicators.


Amphipoda; biodiversity; California; conservation; endemic; estuarine; invasive species; stygobiont


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ISSN 1175-5326 (Print Edition) & ISSN 1175-5334 (Online Edition)
Published by Magnolia Press, Auckland, New Zealand