Template:Hatai, Masuda & Noda, 1974
- Hatai, K., Masuda, K. & Noda, H. 1974. Marine fossils from the Moniwa Formation along the Natori River, Sendai, northeast Honshu, Japan, part 2. Problematica from the Moniwa Formation. Transactions and Proceedings of the Palaeontological Society of Japan (New Series) 95: 364–371. DOI: 10.14825/prpsj1951.1974.95_364
.
