Bibliography Record
| Wortman, Jacob Lawson | |||
| 1921 | Evolution of molar cusps in mammals. Amer. Jour. Phys. Anthrop. 4: 177-188. –Sirs., 186. | ||
Related Index Records
None Found
Bibliography and Index of the Sirenia and Desmostylia 
| Wortman, Jacob Lawson | |||
| 1921 | Evolution of molar cusps in mammals. Amer. Jour. Phys. Anthrop. 4: 177-188. –Sirs., 186. | ||
None Found