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Checklist for Infraorder Gammarida Latreille, 1802 (gammarid amphipods)
and region Block Island (Washington County, Rhode Island, USA)


Class
 
Malacostraca
Latreille, 1802
Higher Crustaceans, Malacostracans
27
31
43
Families
Genera
Species
 
Taxom
 

Subclass
 
Eumalacostraca
Grobben, 1892
27
31
43
Families
Genera
Species
 
Taxom
 

Superorder
 
Peracarida
Calman, 1904
18
22
27
Families
Genera
Species
 
Taxom
 

Order
 
Amphipoda
Latreille, 1816
Amphipod, Amphipod Tubes, Amphipod Whips, Amphipods, Scuds
11
13
16
Families
Genera
Species
 
Taxom
 

Suborder
 
Senticaudata
Lowry & Myers, 2013
5
6
7
Families
Genera
Species
 
Taxom
 

Infraorder
 
Gammarida
Latreille, 1802
Gammarid amphipods
2
2
3
Families
Genera
Species
 
Taxom
 


List of families for Block Island
2 Families width 3 Species
Crangonyctidae Bousfield, 1973Gammarid amphipods2SpeciesTaxom
Gammaridae Leach, 1813Gammarids1SpeciesTaxom


Genera for Block Island
2 Genera with 3 Species
Crangonyx Bate, 19412SpeciesTaxom
Gammarus Fabricius, 1818Freshwater Shrimp Gammarus1SpeciesTaxom


Species list for Block Island
3 Species
Crangonyx aberrans S.I. Smith, 1983Aberrant crangonyctid
Crangonyx richmondensis Ellis, 1941Contorted sphagnum
Gammarus fasciatus Say, 1818

Subnodes of Gammarida with occurrences in Block Island
SuperfamilyCrangonyctoidea
Bousfield, 1973
1
1
2
Family
Genus
Species

Taxom

SuperfamilyGammaroidea
Leach, 1814
1
1
1
Family
Genus
Species

Taxom



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