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Checklist for Order Amphipoda Latreille, 1816 (Amphipod)
and region Williams County (Ohio, USA)


Class
 		Malacostraca
Latreille, 1802
Higher Crustaceans, Malacostracans		20
24
32		Families
Genera
Species		 
Taxom
 

Subclass
 		Eumalacostraca
Grobben, 1892
19
23
31		Families
Genera
Species		 
Taxom
 

Superorder
 		Peracarida
Calman, 1904
15
16
17		Families
Genera
Species		 
Taxom
 

Order
 		Amphipoda
Latreille, 1816
Amphipod, Amphipod Tubes, Amphipod Whips, Amphipods, Scuds		4
5
6		Families
Genera
Species		 
Taxom
 


List of families for Williams County (Ohio)
4 Families width 6 Species
Crangonyctidae Bousfield, 1973Gammarid amphipods2SpeciesTaxom
Lysianassidae (Dana, 1849)2SpeciesTaxom
Haustoriidae Stebbing, 19061SpeciesTaxom
Allocrangonyctidae Holsinger, 19891SpeciesTaxom


Genera for Williams County (Ohio)
5 Genera with 6 Species
Crangonyx Bate, 19582SpeciesTaxom
Eurythenes S. I. Smith, 18221SpeciesTaxom
Lepidactylus Say, 18181SpeciesTaxom
Lysianassa Milne-Edwards, 18891SpeciesTaxom
Pseudoniphargus Chevreux, 19881SpeciesTaxom


Species list for Williams County (Ohio)
6 Species
Crangonyx gracilis S.I. Smith, 1871Northern lake crangonyctid
Crangonyx pseudogracilis Bousfield, 1958Northern river crangonyctid
Eurythenes gryllus Lichtenstein, 1822Amphipod
Lepidactylus dytiscus Say, 1818
Lysianassa ceratina (Walker, 1889)⇒ Lysianassa caesarea Ruffo, 1987
Pseudoniphargus baetis Notenboom, 1988

Subnodes of Amphipoda with occurrences in Williams County (Ohio)
SuborderAmphilochidea
Boeck, 1871
2
3
3		Families
Genera
Species
Taxom

SuborderSenticaudata
Lowry & Myers, 2013
2
2
3		Families
Genera
Species
Taxom



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