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Pacifastacus

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Description

Pacifastacus is a genus of crayfish native to western North America (USA and Canada), containing the following six species (DD = Data Deficient; CR = Critically Endangered; LC = Least Concern; EX = Extinct):

From Wikipedia article at https://en.wikipedia.org/wiki/Pacifastacus, which is released under the Creative Commons Attribution-Share-Alike License 3.0.

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	2226987	https://www.gbif.org/species/2226987
PaleoBioDB ID (PBDB)	217941	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=217941

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Arthropoda : Malacostraca : Decapoda : Astacidae : Pacifastacus

Taxonomy (PBDB)

Life : Animalia : Arthropoda : Malacostraca : Decapoda : Pacifastacus

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Ecdysozoa
-	Panarthropoda
phylum	Arthropoda	Latreille 1829
subphylum	Mandibulata
-	Pancrustacea
subphylum	Crustacea	Brünnich 1772
class	Malacostraca	Latreille 1802
superorder	Eucarida	Calman 1904
order	Decapoda	Latreille 1802
infraorder	Astacidea	Latreille 1802
superfamily	Astacoidea	Latreille 1802
genus	Pacifastacus	Bott 1950

Scientific Name

Pacifastacus Bott, 1950

Name Published In

Bott, R. (1950). Die Flusskrebse Europas (Decapoda, Astacidae). Proceedings of the Senckenberg Naturalist Society, [Frankfurt am Main: W. Kramer]. 483:1-36, 25 figures, 6 plates.

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Pacifastacus	genus	belongs to Astacoidea	stated without evidence	Schweitzer et al., 2010

Status (PBDB)

extant

Taxon Size (PBDB)

Extant Size (PBDB)

1 (50%)

First Recorded Appearance

23.0 - 5.3 Ma
Miocene

Motility

actively mobile (based on Malacostraca)

Vision

well-developed (based on Malacostraca)

Diet

carnivore (based on Decapoda)

Taphonomy

chitin (based on Malacostraca)

Primary Reference (PBDB)

C. E. Schweitzer, R. M. Feldmann, and A. Garassino, H. Karasawa, and G. Schweigert. 2010. Systematic list of fossil decapod crustacean species. Crustaceana Monographs 10:1-222

Wikipedia

https://en.wikipedia.org/wiki/Pacifastacus

External Images

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Pacifastacus chenoderma ✝ species	accepted (GBIF) listed (PBDB)		4	23.0 Ma Miocene	5.33 Ma Miocene
Pacifastacus connectens species	accepted (GBIF)	No associated record in PBDB
Pacifastacus fortis species	accepted (GBIF)	No associated record in PBDB
Pacifastacus gambelii species	accepted (GBIF)	No associated record in PBDB
Pacifastacus leniusculus species	accepted (GBIF)	No associated record in PBDB
Pacifastacus nigrescens species	accepted (GBIF)	No associated record in PBDB

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Hobbsastacus Bouchard, 1977	GBIF	genus	Animalia : Arthropoda : Malacostraca : Decapoda : Astacidae : *Hobbsastacus*

Synonymy List

Year	Name and Author
1950	Pacifastacus Bott
2010	Pacifastacus Schweitzer et al.

References

Schweitzer C. E., Feldmann R. M., et al (2010) Systematic list of fossil decapod crustacean species, Crustaceana Monographs 10, 1-222

Gledhill, T. et al. (1993) - via Taxa Watermanagement the Netherlands (TWN)

Souty-Grosset, C. et al. (2006) - via Taxa Watermanagement the Netherlands (TWN)

Martin Tjernberg (2006) Artfaktadatabasarbetet - via Dyntaxa. Svensk taxonomisk databas

WoRMS Editorial Board (2019) World Register of Marine Species - via Dyntaxa. Svensk taxonomisk databas

Hobbs, Jr., Horton H., 1989: An Illustrated Checklist of the American Crayfishes (Decapoda: Astacidae, Cambaridae, and Parastacidae). Smithsonian Contributions to Zoology, no. 480. iii + 236. - via Integrated Taxonomic Information System (ITIS)

CoL2006 - via The Interim Register of Marine and Nonmarine Genera

De Grave, S., Pentcheff, N.D., Ahyong, S.T., Chan, T.-Y., Crandall, K.A., Dworschak, P.C., Felder, D.L., Feldmann, R.M., Fransen, C.H.J.M., Goulding, L.Y.D., Lemaitre, R., Low, M.E.Y., Martin, J.W., Ng, P.K.L., Schweitzer, C.E., Tan, S.H., Tshudy, D. & Wetzer, R. (2009). A classification of living and fossil genera of decapod crustaceans. Raffles Bulletin of Zoology. supplement 21: 1-109. - via The Interim Register of Marine and Nonmarine Genera

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera

Abh. Senckenb. Naturf. Ges., no. 483 - via The Interim Register of Marine and Nonmarine Genera

Hobbs, H. H. (1989). An illustrated checklist of the crayfishes of American crayfishes (Decapoda: Astacidae, Cambaridae, and Parastacidae). Smithsonian Contributions to Zoology. 1-92. - via World Register of Marine Species

Bott, R. (1950). Die Flusskrebse Europas (Decapoda, Astacidae). Proceedings of the Senckenberg Naturalist Society, [Frankfurt am Main: W. Kramer]. 483:1-36, 25 figures, 6 plates. - via World Register of Marine Species

Crandall, K.A.; De Grave, S. (2017). An updated classification of the freshwater crayfishes (Decapoda: Astacidea) of the world, with a complete species list. Journal of Crustacean Biology. 37: 615-653. - via World Register of Marine Species

SN2000/Abele & Felgenhauer, 1982 - via The Interim Register of Marine and Nonmarine Genera

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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