Decanet taxon details
Pacifastacus Bott, 1950
853691 (urn:lsid:marinespecies.org:taxname:853691)
accepted
Genus
Astacus Klamathensis Stimpson, 1857 accepted as Pacifastacus leniusculus (Dana, 1852) (type by original designation)
Pacifastacus (Hobbsastacus) Bouchard, 1977 · unaccepted > junior subjective synonym
Pacifastacus (Pacifastacus) Bott, 1950 · unaccepted > superseded rank
- Species Pacifastacus chenoderma (Cope, 1871) †
- Species Pacifastacus connectens (Faxon, 1914)
- Species Pacifastacus fortis (Faxon, 1914)
- Species Pacifastacus gambelii (Girard, 1852)
- Species Pacifastacus leniusculus (Dana, 1852)
- Species Pacifastacus malheurensis Larson in Larson, Abbott, Gilmore, Helbing, Lopez, Macintosh, Stenhouse, Williams & Usio, 2025
- Species Pacifastacus nigrescens (Stimpson, 1857)
- Species Pacifastacus okanaganensis Larson in Larson, Abbott, Gilmore, Helbing, Lopez, Macintosh, Stenhouse, Williams & Usio, 2025
- Subgenus Pacifastacus (Hobbsastacus) Bouchard, 1977 accepted as Pacifastacus Bott, 1950 (unaccepted > junior subjective synonym)
- Species Pacifastacus (Hobbsastacus) gambelii (Girard, 1852) accepted as Pacifastacus gambelii (Girard, 1852) (unaccepted > superseded combination)
- Subgenus Pacifastacus (Pacifastacus) Bott, 1950 accepted as Pacifastacus Bott, 1950 (unaccepted > superseded rank)
- Species Pacifastacus (Pacifastacus) leniusculus (Dana, 1852) accepted as Pacifastacus leniusculus (Dana, 1852) (unaccepted > superseded combination)
- Species Pacifastacus klamathensis (Stimpson, 1857) accepted as Pacifastacus leniusculus (Dana, 1852) (unaccepted > junior subjective synonym)
recent + fossil
masculine
Bott, R. (1950). Die Flusskrebse Europas (Decapoda, Astacidae). <em>Abhandlungen der Senckenbergischen naturforschenden Gesellschaft.</em> 483: 1-36: Pls. 1-6. [details] Available for editors 
DecaNet eds. (2025). DecaNet. Pacifastacus Bott, 1950. Accessed at: https://www.decanet.info/aphia.php?p=taxdetails&id=853691 on 2025-09-13
Date
action
by
original description
Bott, R. (1950). Die Flusskrebse Europas (Decapoda, Astacidae). <em>Abhandlungen der Senckenbergischen naturforschenden Gesellschaft.</em> 483: 1-36: Pls. 1-6. [details] Available for editors
original description (of Pacifastacus (Hobbsastacus) Bouchard, 1977) Bouchard, R.W. (1977). Morphology of the mandible in Holarctic crayfishes (Decapoda: Astacidae and Cambaridae). <em>Freshwater Crayfish.</em> 3: 425-452. [details] Available for editors
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
additional source Hobbs, H.H.Jr. (1989). An illustrated checklist of the crayfishes of American crayfishes (Decapoda: Astacidae, Cambaridae, and Parastacidae). <em>Smithsonian Contributions to Zoology.</em> 1-92. [details] Available for editors
original description (of Pacifastacus (Hobbsastacus) Bouchard, 1977) Bouchard, R.W. (1977). Morphology of the mandible in Holarctic crayfishes (Decapoda: Astacidae and Cambaridae). <em>Freshwater Crayfish.</em> 3: 425-452. [details] Available for editors
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
additional source Hobbs, H.H.Jr. (1989). An illustrated checklist of the crayfishes of American crayfishes (Decapoda: Astacidae, Cambaridae, and Parastacidae). <em>Smithsonian Contributions to Zoology.</em> 1-92. [details] Available for editors