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Checklist for Infraorder Gammarida Latreille, 1802 (gammarid amphipods)
and region Contra Costa County (California, USA)


Class
 
Malacostraca
Latreille, 1802
Higher Crustaceans, Malacostracans
61
78
86
Families
Genera
Species
 
Taxom
 

Subclass
 
Eumalacostraca
Grobben, 1892
60
77
85
Families
Genera
Species
 
Taxom
 

Superorder
 
Peracarida
Calman, 1904
39
52
57
Families
Genera
Species
 
Taxom
 

Order
 
Amphipoda
Latreille, 1816
Amphipod, Amphipod Tubes, Amphipod Whips, Amphipods, Scuds
19
25
26
Families
Genera
Species
 
Taxom
 

Suborder
 
Senticaudata
Lowry & Myers, 2013
12
16
17
Families
Genera
Species
 
Taxom
 

Infraorder
 
Gammarida
Latreille, 1802
Gammarid amphipods
4
4
5
Families
Genera
Species
 
Taxom
 


List of families for Contra Costa County
4 Families width 5 Species
Crangonyctidae Bousfield, 1973Gammarid amphipods2SpeciesTaxom
Anisogammaridae Bousfield, 19771SpeciesTaxom
Gammaridae Leach, 1813Gammarids1SpeciesTaxom
Allocrangonyctidae Holsinger, 19891SpeciesTaxom


Genera for Contra Costa County
4 Genera with 5 Species
Crangonyx Bate, 19582SpeciesTaxom
Eogammarus Birstein, 18561SpeciesTaxom
Gammarus Fabricius, 1864Freshwater Shrimp Gammarus1SpeciesTaxom
Pseudoniphargus Chevreux, 19881SpeciesTaxom


Species list for Contra Costa County
5 Species
Crangonyx floridanus Bousfield, 1963Florida crangonyctid
Crangonyx pseudogracilis Bousfield, 1958Northern river crangonyctid
Eogammarus confervicolus Stimpson, 1856
Gammarus lacustris G.O. Sars, 1864An Amphipod
Pseudoniphargus baetis Notenboom, 1988

Subnodes of Gammarida with occurrences in Contra Costa County
SuperfamilyAllocrangonyctoidea
1
1
1
Family
Genus
Species

Taxom

SuperfamilyCrangonyctoidea
Bousfield, 1973
1
1
2
Family
Genus
Species

Taxom

SuperfamilyGammaroidea
Leach, 1814
2
2
2
Families
Genera
Species

Taxom



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