Williams, W. D. (1970) A revision of North American epigean species of Asellus (Crustacea: Isopoda). Smithsonian Contributions to Zoology No. 49: 1-79.[details]
(ofAsellus occidentalis Williams, 1970)Williams, W. D. (1970) A revision of North American epigean species of Asellus (Crustacea: Isopoda). Smithsonian Contributions to Zoology No. 49: 1-79.[details]
Boyko, C.B.; Bruce, N.L.; Hadfield, K.A.; Merrin, K.L.; Ota, Y.; Poore, G.C.B.; Taiti, S. (Eds) (2024). World Marine, Freshwater and Terrestrial Isopod Crustaceans database. Caecidotea occidentalis (Williams, 1970). Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=259572 on 2024-09-10
original descriptionWilliams, W. D. (1970) A revision of North American epigean species of Asellus (Crustacea: Isopoda). Smithsonian Contributions to Zoology No. 49: 1-79.[details]
original description(ofAsellus occidentalis Williams, 1970)Williams, W. D. (1970) A revision of North American epigean species of Asellus (Crustacea: Isopoda). Smithsonian Contributions to Zoology No. 49: 1-79.[details]
basis of recordSchotte, M., B.F. Kensley & S. Shilling. (1995 onwards). World list of Marine, Freshwater and Terrestrial Crustacea Isopoda. National Museum of Natural History Smithsonian Institution: Washington D.C., USA - no longer online. [website archived on 2018-01-25].[details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality