†Musashia (Nipponomelon) Shikama 1967 (volute)
Gastropoda - Neogastropoda - Volutidae
Alternative spelling: Nipponomelon
Parent taxon: Musashia according to E. J. Moore 1984
Sister taxa: Fulgoraria (Musashia) ellenmooreae, Fulgoraria (Musashia) ochotensis, Musashia (Musashia)
Subtaxa: Musashia (Nipponomelon) shikamai
Ecology: epifaunal carnivore
Distribution:
• Oligocene of Japan (1 collection), the Russian Federation (2), United States (1: Washington)
Total: 4 collections each including a single occurrence