WoRMS taxon details
Caecidotea obtusa (Williams, 1970)
259571 (urn:lsid:marinespecies.org:taxname:259571)
accepted
Species
Asellus obtusa Williams, 1970 · unaccepted (basionym)
recent only
Williams, W. D. (1970) A revision of North American epigean species of Asellus (Crustacea: Isopoda). Smithsonian Contributions to Zoology No. 49: 1-79. [details]
(of Asellus obtusa 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]
(of Asellus obtusa 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]
Note Louisiana, USA
From editor or global species database
type locality Louisiana, USA [details]
Boyko, C.B.; Campos-Filho, I.S.; Hadfield, K.A.; Hughes, T.; Merrin, K.L.; Ota, Y.; Poore, G.C.B. (Eds) (2025). World Marine, Freshwater and Terrestrial Isopod Crustaceans database. Caecidotea obtusa (Williams, 1970). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=259571 on 2025-10-13
Date
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Nomenclature
original description
Williams, 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 (of Asellus obtusa 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 record Schotte, 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]
original description (of Asellus obtusa 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 record Schotte, 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
From editor or global species database
Habitat pond [details]type locality Louisiana, USA [details]
To European Nucleotide Archive, ENA (Caecidotea obtusa)
To GenBank (9 nucleotides; 4 proteins)
To GenBank (9 nucleotides; 4 proteins) (from synonym Asellus obtusa Williams, 1970)
To USNM Invertebrate Zoology Arthropoda Collection (2 records) (from synonym Asellus obtusa Williams, 1970)
To USNM Invertebrate Zoology Arthropoda Collection (70 records)
To USNM Invertebrate Zoology Arthropoda Collection (Holotype USNM 122060) (from synonym Asellus obtusa Williams, 1970)
To ITIS
To GenBank (9 nucleotides; 4 proteins)
To GenBank (9 nucleotides; 4 proteins) (from synonym Asellus obtusa Williams, 1970)
To USNM Invertebrate Zoology Arthropoda Collection (2 records) (from synonym Asellus obtusa Williams, 1970)
To USNM Invertebrate Zoology Arthropoda Collection (70 records)
To USNM Invertebrate Zoology Arthropoda Collection (Holotype USNM 122060) (from synonym Asellus obtusa Williams, 1970)
To ITIS
