Bibliography Record
| Otuka, Yanosuke | |||
| 1931 | [On the Oiso bed.] Jour. Geol. Soc. Tokyo 38: 174-187. –In Japanese. | ||
Related Index Records
None Found
Bibliography and Index of the Sirenia and Desmostylia 
| Otuka, Yanosuke | |||
| 1931 | [On the Oiso bed.] Jour. Geol. Soc. Tokyo 38: 174-187. –In Japanese. | ||
None Found