Asellus tomalensis Harford, 1877



Taxonomy & Nomenclature



Conservation Status

Rediscovered in 1974 or before (Bowman, 1974)



California & Oregon, USA


Biology & Ecology










Original scientific description:

Harford, W. G. W. (1877). Description of a new genus and three new species of sessile-eyed Crustacea. Proc. California Acad. Sci. 7: 53-55.


Other references:

Bowman, T. E. (1974). The California freshwater isopod, Asellus tomalensis, rediscovered and compared with Asellus occidentalis. Hydrobiologia 44(4): 431-441.

Carl, G. C. (1937). Flora and fauna of brackish water. Ecology 18: 447-453.

Ellis, R. J. (1971). Notes on the biology of the isopod Asellus tomalensis in an intermittent pond. Trans. American Micros. Soc. 90(1): 51-61. [Abstract]

Fee, A. R. (1926). The Isopoda of Departure Bay and vicinity with descriptions of new species, variations, and colour notes. Contrib. Canadian Biol. Fish. Sta. Canada, n.s. 3 : 13-46.

Hatch, M. H. (1947). The Chelifera and Isopoda of Washington and adjacent regions. Univ. Washington Publ. Biol. 10: 155-274.

Williams, W. D. (1970). A revision of the North American epigean species of Asellus (Crustacea: Isopoda). Smithsonian Contrib. Zool. 49: 1-80.


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