| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Reticuloceratidae
|
| Subfamily: |
Surenitinae
|
| Genus: | Pygmaeoceras |
| Qualifier: | gy |
| Author: |
Gordon 1960,p.147
|
| Valid: | Verneuilites Librovich 1939,p.16 |
| Lower Boundary: |
UAR Cane Hill--Prairie Grove of Hale Fm., 314.8 million years
|
| Upper Boundary: |
U Halian--Bloydian, Brentwood base, 313 million years
|
Loading