Species list, Checklist of Infraorder Gammarida (gammarid amphipods) for Thunder Bay District (Northwestern Ontario, Ontario, Canada)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

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INSECTOIDGERENGDARK LIGHT

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Checklist for Infraorder Gammarida Latreille, 1802 (gammarid amphipods)
and region Thunder Bay District (Northwestern Ontario, Ontario, Canada)

Class	Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans	28 33 42	Families Genera Species	Taxom
Subclass	Eumalacostraca Grobben, 1892	28 33 42	Families Genera Species	Taxom
Superorder	Peracarida Calman, 1904	19 21 23	Families Genera Species	Taxom
Order	Amphipoda Latreille, 1816 Amphipod, Amphipod Tubes, Amphipod Whips, Amphipods, Scuds	6 7 9	Families Genera Species	Taxom
Suborder	Senticaudata Lowry & Myers, 2013	4 5 7	Families Genera Species	Taxom
Infraorder	Gammarida Latreille, 1802 Gammarid amphipods	3 4 6	Families Genera Species	Taxom

List of families for Thunder Bay District
3 Families width 6 Species

Crangonyctidae Bousfield, 1973	Gammarid amphipods	2	Species	Taxom
Gammaridae Leach, 1813	Gammarids	3	Species	Taxom
Allocrangonyctidae Holsinger, 1989		1	Species	Taxom

Genera for Thunder Bay District
4 Genera with 6 Species

Crangonyx Bate, 1958		2	Species	Taxom
Echinogammarus Stebbing, 1899		1	Species	Taxom
Gammarus Fabricius, 1864	Freshwater Shrimp Gammarus	2	Species	Taxom
Pseudoniphargus Chevreux, 1988		1	Species	Taxom

Species list for Thunder Bay District
6 Species

Crangonyx gracilis S.I. Smith, 1871	Northern lake crangonyctid
Crangonyx pseudogracilis Bousfield, 1958	Northern river crangonyctid
Echinogammarus ischnus Stebbing, 1899	Scud
Gammarus duebeni Liljeborg, 1852	Bur mallow
Gammarus lacustris G.O. Sars, 1864	An Amphipod
Pseudoniphargus baetis Notenboom, 1988

Subnodes of Gammarida with occurrences in Thunder Bay District

Superfamily	Allocrangonyctoidea	1 1 1	Family Genus Species	Taxom
Superfamily	Crangonyctoidea Bousfield, 1973	1 1 2	Family Genus Species	Taxom
Superfamily	Gammaroidea Leach, 1814	1 2 3	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