b804a0160fef3e268d7ac1161b360c62

...

Echinosteges Muir-Wood & Cooper, 1960

Source

Rank

genus

Names

1

Mem. geol. Soc. Am. 81: 101.

Aulostegidae Muir-Wood & Cooper, 1960
- Echinosteges Muir-Wood & Cooper, 1960
  - Echinosteges guadalupensis
  - Echinosteges tuberculatus