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Didymoceras nakaminatoense
Didymoceras nakaminatoense Saito, 1958
Extinct species: Cretaceous
Habitat: Marine
Classification
kingdom Animalia, phylum Mollusca,
class Cephalopoda
,
subclass Ammonoidea
, order Ammonitida, family Nostoceratidae,
genus Didymoceras
Distribution
Cretaceous:
Ibaraki