TaxNo: 6043Genus Lissogastrioceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Gastrioceratidae
|
| Genus: | Lissogastrioceras |
| Qualifier: | gy |
| Author: |
Gordon 1965,p.257
|
| Valid: |
Gastrioceras Hyatt,1884 [TAX5684] |
| Lower Boundary: |
U Halian--Bloydian, Brentwood base, 313 million years
|
| Upper Boundary: |
UAR Winslow Fm.--low. Atoka Fm., 309.5 million years
|