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Acaeroplastes
Genus, Crustacean, Terrestrial
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Acanthocyclops
Genus, Crustacean, Freshwater, terrestrial
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Acantholeberis
Genus, Crustacean, Freshwater, terrestrial
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Acartia
Genus, Crustacean, Freshwater, marine, terrestrial
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Achtheres
Genus, Crustacean, Freshwater, marine, terrestrial
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Acroperus
Genus, Crustacean, Freshwater, terrestrial
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Agabiformius
Genus, Crustacean, Terrestrial
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Akerogammarus
Genus, Crustacean, Marine, terrestrial
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Alona
Genus, Crustacean, Freshwater, terrestrial
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Alonella
Genus, Crustacean, Freshwater, terrestrial
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Alonopsis
Genus, Crustacean, Freshwater, terrestrial
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Amathillina
Genus, Crustacean, Marine, terrestrial
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Ameira
Genus, Crustacean, Marine, terrestrial
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Anchistropus
Genus, Crustacean, Freshwater, terrestrial
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Androniscus
Genus, Crustacean, Marine, terrestrial
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Antrobathynella
Genus, Crustacean, Freshwater, terrestrial
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Apocorophium
Genus, Crustacean, Freshwater, marine, terrestrial
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Arcitalitrus
Genus, Crustacean, Marine, terrestrial
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Arctodiaptomus
Genus, Crustacean, Freshwater, terrestrial
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Arenosetella
Genus, Crustacean, Marine, terrestrial