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Astacilla
Genus, Crustacean, Marine
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Astacus
Genus, Crustacean, Freshwater, marine, terrestrial
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Astericola
Genus, Crustacean, Marine
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Asterocheres
Genus, Crustacean, Marine
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Asthenognathus
Genus, Crustacean, Marine
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Atelecyclus
Genus, Crustacean, Marine
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Athanas
Genus, Crustacean, Marine
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Athelges
Genus, Crustacean, Marine
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Atlantopandalus
Genus, Crustacean, Marine
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Atrophia
Genus, Crustacean, Marine
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Atyaephyra
Genus, Crustacean, Marine, terrestrial
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Atylus
Genus, Crustacean, Marine
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Atypopenaeus
Genus, Crustacean, Marine
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Augaptilina
Genus, Crustacean, Marine
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Augaptilus
Genus, Crustacean, Marine
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Aurila
Genus, Crustacean, Marine
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Austinogebia
Genus, Crustacean, Marine
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Austrominius
Genus, Crustacean, Marine
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Austrosyrrhoe
Genus, Crustacean, Marine
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Autonoe
Genus, Crustacean, Marine