 CM 20122 - Detail - UMUT Paleontology Collections - University Museum, University of Tokyo, Japan UMUT CM 20122 UMUT CM 20122Neptunea Barbitonia arthritica Bernardi, 1857Neptunea Barbitonia arthritica Bernardi, 1857Oyama, K. 1973 p. 42, pl. 13, fig. 12Neptunea Barbitonia arthritica BernardiTaki, I. Oyama, K. 1954 pl. 3, fig. 12Siphonalia dilatata QuoyYokoyama, M. 1920 p. 52, pl. 2, fig. 12 