Gastropoda - Neogastropoda - Buccinidae

Full reference: K. Oyama and A. Mizuno. 1958. n the New Forms of Paleogene Molluscs from Japan. Bulletin of the Geological Survey of Japan 9:589-606

Belongs to Siphonalia according to K. Oyama and A. Mizuno 1958

Sister taxa: Siphonalia acuta, Siphonalia andersoni, Siphonalia ariejansseni, Siphonalia belenensis, Siphonalia calvertana, Siphonalia cassidariaeformis, Siphonalia cotteri, Siphonalia devexus, Siphonalia johnsoni, Siphonalia longirostris, Siphonalia nipponica, Siphonalia nuntia, Siphonalia paradoxica, Siphonalia phosoidea, Siphonalia roblini, Siphonalia shojii, Siphonalia signa, Siphonalia spatiosa, Siphonalia tessaria, Siphonalia trilica

Type specimen: GSJ 5031, a shell

Ecology: epifaunal carnivore

Average measurements (in mm): shell 19.7 x 11.9