[ Top ] [ Japanese ]

Portlandia gratiosa

Portlandia gratiosa (Yokoyama, 1923) Makiyama, 1957

• Extinct species: Miocene
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, order Nuculoida, family Yoldiidae, genus Portlandia

• Distribution
• Miocene: Shimane