Decanet taxon details
Pacifastacus leniusculus (Dana, 1852)
885106 (urn:lsid:marinespecies.org:taxname:885106)
accepted
Species
Astacus Klamathensis Stimpson, 1857 · unaccepted > junior subjective synonym
Astacus leniusculus Dana, 1852 · unaccepted > superseded combination
Astacus oreganus Randall, 1840 · unaccepted (suppressed under the plenary...)
suppressed under the plenary powers for the purposes of the Principle of Priority but not those of the Principle of Homonymy and placed on the Official Index of Rejected and Invalid Specific Names in Zoology in Opinion 855
Astacus Trowbridgii Stimpson, 1857 · unaccepted > junior subjective synonym
Pacifastacus (Pacifastacus) leniusculus (Dana, 1852) · unaccepted > superseded combination
Pacifastacus (Pacifastacus) leniusculus leniusculus (Dana, 1852) · unaccepted > superseded combination
Pacifastacus klamathensis (Stimpson, 1857) · unaccepted > junior subjective synonym
Pacifastacus leniusculus leniusculus (Dana, 1852) · unaccepted > superseded combination
- Subspecies Pacifastacus leniusculus leniusculus (Dana, 1852) accepted as Pacifastacus leniusculus (Dana, 1852) (unaccepted > superseded combination)
recent only
(of Astacus leniusculus Dana, 1852) Dana, J.D. (1852). Crustacea, Part I. <em>In: United States Exploring Expedition. During the Years 1838, 1839, 1840, 1841, 1842. Under the Command of Charles Wilkes, U.S.N. C. Sherman: Phildelphia.</em> 13: i-viii + 1-685. [details] 
DecaNet eds. (2025). DecaNet. Pacifastacus leniusculus (Dana, 1852). Accessed at: https://www.decanet.info/aphia.php?p=taxdetails&id=885106 on 2025-09-11
Date
action
by
original description
(of Astacus leniusculus Dana, 1852) Dana, J.D. (1852). Crustacea, Part I. <em>In: United States Exploring Expedition. During the Years 1838, 1839, 1840, 1841, 1842. Under the Command of Charles Wilkes, U.S.N. C. Sherman: Phildelphia.</em> 13: i-viii + 1-685. [details]
original description (of Astacus Klamathensis Stimpson, 1857) Stimpson, W. (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. <em>Proceedings of the Boston Society of Natural History.</em> 6: 84-89. [details]
original description (of Astacus Trowbridgii Stimpson, 1857) Stimpson, W. (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. <em>Proceedings of the Boston Society of Natural History.</em> 6: 84-89. [details]
original description (of Astacus oreganus Randall, 1840) Randall, J.W. (1840). Catalogue of the Crustacea brought by Thomas Nutall and J.K. Townsend, from the West Coast of North America and the Sandwich Islands, with descriptions of such species as are apparently new, among which are included several species of different localities, previously existing in the collection of the Academy. <em>Journal of the Academy of Natural Sciences at Philadelphia.</em> 8: 106-147, pls. 3-7. [details]
basis of record Crandall, K.A.; De Grave, S. (2017). An updated classification of the freshwater crayfishes (Decapoda: Astacidea) of the world, with a complete species list. <em>Journal of Crustacean Biology.</em> 37: 615-653. (look up in IMIS), available online at https://doi.org/10.1093/jcbiol/rux070 [details] Available for editors
original description (of Astacus Klamathensis Stimpson, 1857) Stimpson, W. (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. <em>Proceedings of the Boston Society of Natural History.</em> 6: 84-89. [details]
original description (of Astacus Trowbridgii Stimpson, 1857) Stimpson, W. (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. <em>Proceedings of the Boston Society of Natural History.</em> 6: 84-89. [details]
original description (of Astacus oreganus Randall, 1840) Randall, J.W. (1840). Catalogue of the Crustacea brought by Thomas Nutall and J.K. Townsend, from the West Coast of North America and the Sandwich Islands, with descriptions of such species as are apparently new, among which are included several species of different localities, previously existing in the collection of the Academy. <em>Journal of the Academy of Natural Sciences at Philadelphia.</em> 8: 106-147, pls. 3-7. [details]
basis of record Crandall, K.A.; De Grave, S. (2017). An updated classification of the freshwater crayfishes (Decapoda: Astacidea) of the world, with a complete species list. <em>Journal of Crustacean Biology.</em> 37: 615-653. (look up in IMIS), available online at https://doi.org/10.1093/jcbiol/rux070 [details] Available for editors
Present Inaccurate Introduced: alien Containing type locality
| Language | Name | |
|---|---|---|
| Dutch | Californische rivierkreeft | [details] |
| English | signal crayfish | [details] |
| French | ecrevisse signalécrevisse de Californie | [details] |
| German | Signalkrebs | [details] |
| Japanese | ウチダザリガニ | [details] |
To Barcode of Life (221 barcodes)
To Biological Information System for Marine Life (BISMaL)
To European Nucleotide Archive, ENA (Pacifastacus leniusculus)
To GenBank (2103 nucleotides; 468 proteins)
To IUCN Red List (Least Concern)
To USNM Invertebrate Zoology Arthropoda Collection (1 record) (from synonym Astacus Trowbridgii Stimpson, 1857)
To USNM Invertebrate Zoology Arthropoda Collection (13 records)
To USNM Invertebrate Zoology Arthropoda Collection (19 records)
To USNM Invertebrate Zoology Arthropoda Collection (3 records) (from synonym Astacus leniusculus Dana, 1852)
To Biological Information System for Marine Life (BISMaL)
To European Nucleotide Archive, ENA (Pacifastacus leniusculus)
To GenBank (2103 nucleotides; 468 proteins)
To IUCN Red List (Least Concern)
To USNM Invertebrate Zoology Arthropoda Collection (1 record) (from synonym Astacus Trowbridgii Stimpson, 1857)
To USNM Invertebrate Zoology Arthropoda Collection (13 records)
To USNM Invertebrate Zoology Arthropoda Collection (19 records)
To USNM Invertebrate Zoology Arthropoda Collection (3 records) (from synonym Astacus leniusculus Dana, 1852)