-
Acanthephyridae
Family, Crustacean, Marine
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Acanthonotozomatidae
Family, Crustacean, Marine
-
Acartiidae
Family, Crustacean, Marine, terrestrial
-
Acidostomatidae
Family, Crustacean, Marine
-
Adenopleurellidae
Family, Crustacean, Marine
-
Aegidae
Family, Crustacean, Marine, terrestrial
-
Aegisthidae
Family, Crustacean, Marine
-
Aetideidae
Family, Crustacean, Marine
-
Agathotanaidae
Family, Crustacean, Marine
-
Akanthophoreidae
Family, Crustacean, Marine
-
Albuneidae
Family, Crustacean, Marine
-
Alpheidae
Family, Crustacean, Marine
-
Ameiridae
Family, Crustacean, Marine, terrestrial
-
Ampeliscidae
Family, Crustacean, Marine
-
Amphilochidae
Family, Crustacean, Marine
-
Ampithoidae
Family, Crustacean, Marine
-
Anarthruridae
Family, Crustacean, Marine
-
Ancorabolidae
Family, Crustacean, Marine
-
Anelasmatidae
Family, Crustacean, Marine
-
Antheacheridae
Family, Crustacean, Marine