632ed1f0210b4206c0dbdea5c24317ea

...

Sphenotomorpha Williams & Breger, 1916

Source

Rank

genus

Names

1

Prof. Pap. U. S. geol. Surv. , No. 89, 233.

Modiomorphidae Miller, 1877
- Sphenotomorpha Williams & Breger, 1916
  - Sphenotomorpha rigidula