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Peltogastridae
Family, Crustacean, Marine
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Penaeidae
Family, Crustacean, Marine
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Pennellidae
Family, Crustacean, Marine
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Phaennidae
Family, Crustacean, Marine
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Philichthyidae
Family, Crustacean, Marine
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Philomedidae
Family, Crustacean, Marine
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Philosciidae
Family, Crustacean, Marine, terrestrial
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Phliantidae
Family, Crustacean, Marine
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Photidae
Family, Crustacean, Marine
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Phoxocephalidae
Family, Crustacean, Marine
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Phronimidae
Family, Crustacean, Marine
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Phrosinidae
Family, Crustacean, Marine
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Phyllodicolidae
Family, Crustacean, Marine
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Phyllognathopodidae
Family, Crustacean, Marine, terrestrial
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Pilumnidae
Family, Crustacean, Marine
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Pilumnoididae
Family, Crustacean, Marine
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Pinnotheridae
Family, Crustacean, Marine
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Pirimelidae
Family, Crustacean, Marine
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Platycopiidae
Family, Crustacean, Marine
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Platylepadidae
Family, Crustacean, Marine