TaxNo: 2781Gastrioceras grileyi
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Gastrioceratidae
|
| Genus: |
Gastrioceras
|
| Species: | grileyi |
| Qualifier: | sy |
| Author: |
Miller & Owen 1944,p.425
|
| Valid: |
Lissogastrioceras fittsi TAX2780 |
| Lower Boundary: |
U Halian--Bloydian, Brentwood base, 313 million years
|
| Upper Boundary: |
UAR Dye Shale--Kessler lmst., 311.3 million years
|