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Keenaea sp.

genus Keenaea Habe, 1951

• Modern species: Miocene - Present (11.6 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, family Cardiidae

• Distribution
• Miocene: Akita, Tochigi
• Pliocene: Niigata
• Pliocene-Pleistocene: Kanagawa
• Pleistocene: Niigata, Chiba, Kanagawa
• Investigation in progress: Miyagi

• Subtaxa
• K. samarangae