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Checklist for Class Malacostraca Latreille, 1802 (Higher Crustaceans)
and region Essex (Middlesex County, Connecticut, USA)


Class
 		Malacostraca
Latreille, 1802
Higher Crustaceans, Malacostracans		9
9
10		Families
Genera
Species		 
Taxom
 


List of families for Essex (Middlesex County Connecticut)
9 Families width 10 Species
Alpheidae (Rafinesque, 1815)Alpheid shrimp1SpeciesTaxom
Portunidae Rafinesque, 1815Swimming Crab1SpeciesTaxom
Crangonidae (Haworth, 1825)Crangonid Shrimp2SpeciesTaxom
Crangonyctidae Bousfield, 1973Gammarid amphipods1SpeciesTaxom
Varunidae H. Milne-Edw..., 18531SpeciesTaxom
Lysianassidae Dana, 18491SpeciesTaxom
Gammaridae Leach, 1813Gammarids1SpeciesTaxom
Nephropidae Dana, 1852Clawed Lobster1SpeciesTaxom
Cambaridae Hobbs, 1942Cambarid crayfishes1SpeciesTaxom


Genera for Essex (Middlesex County Connecticut)
9 Genera with 10 Species
Alpheus Fabricius, 1927pistol shrimps1SpeciesTaxom
Carcinus Leach, 17581SpeciesTaxom
Crangon Fabricius, 17982SpeciesTaxom
Crangonyx Bate, 19831SpeciesTaxom
Eriocheir De Haan, 18541SpeciesTaxom
Eurythenes S. I. Smith, 18221SpeciesTaxom
Gammarus Fabricius, 1939Freshwater Shrimp Gammarus1SpeciesTaxom
Homarus Weber, 18371SpeciesTaxom
Orconectes Cope, 18701SpeciesTaxom


Species list for Essex (Middlesex County Connecticut)
10 Species
Alpheus platycheirus (Boone, 1927)⇒ Alpheus floridanus Kingsley, 1878
Carcinus maenas Linnaeus, 1758Asian Shore Crab
Crangon crangon Linnaeus, 1758Bay shrimp
Crangon vulgaris (Fabricius, 1798)⇒ Heterocarpus ensifer A. Milne Edw..., 1881
Crangonyx aberrans S.I. Smith, 1983Aberrant crangonyctid
Eriocheir sinensis Milne-Edwards, 1854Big sluice crab
Eurythenes gryllus Lichtenstein, 1822Amphipod
Gammarus tigrinus Sexton, 1939Fewflower evening primrose
Homarus americanus H. Milne-Edw..., 1837American Clawed Lobster
Orconectes (Trisellescens) immunis Hagen, 1870Calico crayfish

Subnodes of Malacostraca with occurrences in Essex (Middlesex County Connecticut)
SubclassEumalacostraca
Grobben, 1892
9
9
10		Families
Genera
Species
Taxom



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