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Checklist for Subclass Eumalacostraca Grobben, 1892
and region Columbia County (Washington, USA)


Class
 		Malacostraca
Latreille, 1802
Higher Crustaceans, Malacostracans		6
7
7		Families
Genera
Species		 
Taxom
 

Subclass
 		Eumalacostraca
Grobben, 1892
6
7
7		Families
Genera
Species		 
Taxom
 


List of families for Columbia County (Washington)
6 Families width 7 Species
Alpheidae Rafinesque, 1815Alpheid shrimp1SpeciesTaxom
Cambaridae Hobbs, 1942Cambarid crayfishes2SpeciesTaxom
Crangonyctidae (Bousfield, 1973)Gammarid amphipods1SpeciesTaxom
Trichoniscidae G. O. Sars, 1899Woodlice1SpeciesTaxom
Astacidae Latreille, 1802Astacid crayfishes1SpeciesTaxom
Diogenidae Ortmann, 1892Left-handed hermit crabs1SpeciesTaxom


Genera for Columbia County (Washington)
7 Genera with 7 Species
Alpheus Fabricius, 1956pistol shrimps1SpeciesTaxom
Cambarellus Ortmann, 19411SpeciesTaxom
Cambarus Erichson, 19071SpeciesTaxom
Crangonyx Bate, 19401SpeciesTaxom
Haplophthalmus Schöbl, 18791SpeciesTaxom
Pacifastacus Bott, 18521SpeciesTaxom
Paguristes Dana, 19671SpeciesTaxom


Species list for Columbia County (Washington)
7 Species
Alpheus dolerus Banner, 1956
Cambarellus (Pandicambarus) puer Hobbs, 1941Swamp dwarf crayfish
Cambarus (Cambarus) ortmanni Williamson, 1907Ortmann mudbug
Crangonyx obliquus (Hubricht & M..., 1940)⇒ Crangonyx occidentalis Hubricht & H..., 1941
Haplophthalmus danicus Budde-Lund, 1879Pillbug
Pacifastacus (Pacifastacus) leniusculus Dana, 1852American Signal Crayfish
Paguristes calliopsis Forest & De ..., 1967

Subnodes of Eumalacostraca with occurrences in Columbia County (Washington)
SuperorderEucarida
Calman, 1904
4
5
5		Families
Genera
Species
Taxom

SuperorderPeracarida
Calman, 1904
2
2
2		Families
Genera
Species
Taxom



Links, sources and further information
Eumalacostraca at artfakta.se
Eumalacostraca at biodiversity.org.au
Eumalacostraca at dyntaxa.se
Eumalacostraca at itis.gov
Eumalacostraca at marinespecies.org