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Crabs of Japan
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Crabs of Japan
Ptychogastria polaris
Classification
Classification
Animalia
[kingdom]
Cnidaria
[phylum]
Hydrozoa
[superclass]
Leptolida
[class]
Trachymedusae
[subclass]
Ptychogastriidae
[family]
Ptychogastria
[genus]
Ptychogastria polaris
[species]
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(%SOURCE%)
Linnaeus
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