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Oxyurella
Genus, Crustacean, Freshwater, terrestrial
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Pacifastacus
Genus, Crustacean, Freshwater, terrestrial
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Palaemon
Genus, Crustacean, Freshwater, marine
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Palaemonetes
Genus, Crustacean, Freshwater, marine
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Paracandona
Genus, Crustacean, Freshwater, terrestrial
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Paracyclops
Genus, Crustacean, Freshwater, terrestrial
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Paraergasilus
Genus, Crustacean, Freshwater, terrestrial
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Paralona
Genus, Crustacean, Freshwater, terrestrial
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Parastenocaris
Genus, Crustacean, Freshwater, marine, terrestrial
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Pesceus
Genus, Crustacean, Freshwater, terrestrial
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Phreatalona
Genus, Crustacean, Freshwater, terrestrial
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Phyllognathopus
Genus, Crustacean, Freshwater, marine, terrestrial
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Plesiocypridopsis
Genus, Crustacean, Freshwater, terrestrial
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Pleuroxus
Genus, Crustacean, Freshwater, terrestrial
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Polyphemus
Genus, Crustacean, Freshwater, terrestrial
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Potamocypris
Genus, Crustacean, Freshwater, terrestrial
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Proasellus
Genus, Crustacean, Freshwater, marine, terrestrial
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Procambarus
Genus, Crustacean, Freshwater, terrestrial
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Proserpinicaris
Genus, Crustacean, Freshwater, marine, terrestrial
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Pseudocandona
Genus, Crustacean, Freshwater, terrestrial