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Ptychites sp.
genus Ptychites Mojsisovics, 1875
Extinct species: Middle - Late Triassic (242.0 - 235.0 Ma)
Habitat: Marine
Classification
kingdom Animalia, phylum Mollusca,
class Cephalopoda
,
subclass Ammonoidea
, order Ammonitida, family Ptychitidae
Distribution
Triassic:
Miyagi