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Checklist for Infraorder Gammarida Latreille, 1802 (gammarid amphipods)
and region Middlesex County (Massachusetts, USA)


Class
 
Malacostraca
Latreille, 1802
Higher Crustaceans, Malacostracans
50
62
82
Families
Genera
Species
 
Taxom
 

Subclass
 
Eumalacostraca
Grobben, 1892
50
62
82
Families
Genera
Species
 
Taxom
 

Superorder
 
Peracarida
Calman, 1904
30
37
45
Families
Genera
Species
 
Taxom
 

Order
 
Amphipoda
Latreille, 1816
Amphipod, Amphipod Tubes, Amphipod Whips, Amphipods, Scuds
16
18
22
Families
Genera
Species
 
Taxom
 

Suborder
 
Senticaudata
Lowry & Myers, 2013
11
12
16
Families
Genera
Species
 
Taxom
 

Infraorder
 
Gammarida
Latreille, 1802
Gammarid amphipods
2
3
8
Families
Genera
Species
 
Taxom
 


List of families for Middlesex County (Massachusetts)
2 Families width 8 Species
Crangonyctidae Bousfield, 1973Gammarid amphipods2SpeciesTaxom
Gammaridae Leach, 1813Gammarids6SpeciesTaxom


Genera for Middlesex County (Massachusetts)
3 Genera with 8 Species
Crangonyx Bate, 19582SpeciesTaxom
Echinogammarus Stebbing, 19382SpeciesTaxom
Gammarus Fabricius, 1939Freshwater Shrimp Gammarus4SpeciesTaxom


Species list for Middlesex County (Massachusetts)
8 Species
Crangonyx aberrans S.I. Smith, 1983Aberrant crangonyctid
Crangonyx pseudogracilis Bousfield, 1958Northern river crangonyctid
Echinogammarus obtusatus Dahl, 1938
Echinogammarus stoerensis Reid, 1938
Gammarus fasciatus Say, 1818
Gammarus locusta Linnaeus, 1758Common intertidal amphipod
Gammarus pseudolimnaeus Bousfield, 1958
Gammarus tigrinus Sexton, 1939Fewflower evening primrose

Subnodes of Gammarida with occurrences in Middlesex County (Massachusetts)
SuperfamilyCrangonyctoidea
Bousfield, 1973
1
1
2
Family
Genus
Species

Taxom

SuperfamilyGammaroidea
Leach, 1814
1
2
6
Family
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