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Nucula sp.
genus Nucula Lamarck, 1799
Modern species: Early Ordovician - Present (478.6 - 0.0 Ma)
Habitat: Marine
Classification
kingdom Animalia, phylum Mollusca,
class Bivalvia
, order Nuculida, family Nuculidae
Distribution
Jurassic:
Nagano
Cretaceous:
Osaka
Paleogene-Neogene:
Nagano
Miocene:
Hiroshima