Pacifastacus (Hobbsastacus) nigrescensKeith A. Crandall, James W. Fetzner, Jr., and Horton H. Hobbs, Jr.
Conservation StatusCategory: CR (Critically Endangered)
Baillie, Jonathan, and Brian Groombridge. 1996. IUCN Red List of Threatened Animals.
Faxon, Walter. 1914. Notes on the Crayfishes in the United States National Museum and the Museum of Comparative Zoology with Descriptions of New Species and Subspecies to Which is Appended a Catalogue of the Known Species and Subspecies. Memoirs of the Museum of Comparative Zoology at Harvard College, 40(8): 351-427, 13 plates.
Hobbs, H. H. Jr. 1989. An Illustrated Checklist of the American Crayfishes (Decapoda: Astacidae, Cambaridae, and Parastacidae). Smithsonian Institution Press.
Stimpson, William. 1857. Notices of New Species of Crustacea of Western North America; Being an Abstract from a Paper to be Published in the Journal of the Society. Proceedings of the Boston Society of Natural History, 6(4): 444-532.
About This PagePage constructed by Emily Browne.
Keith A. Crandall
Brigham Young University, Provo, Utah, USA
James W. Fetzner, Jr.
Carnegie Museum of Natural History, Pittsburgh, Pennsylvania, USA
Horton H. Hobbs, Jr.
Wittenberg University, Springfield, Ohio, USA
Correspondence regarding this page should be directed to Keith A. Crandall at
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Citing this page:
Crandall, Keith A., James W. Fetzner, Jr., and Horton H. Hobbs, Jr. 2001. Pacifastacus (Hobbsastacus) nigrescens http://tolweb.org/Pacifastacus_%28Hobbsastacus%29_nigrescens/6683/2001.01.01 in The Tree of Life Web Project, http://tolweb.org/. Version 01 January 2001 (under construction).