TaxNo: 3361Aclistoceras smithwickense
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Glaphyritidae
|
| Subfamily: |
Stenoglaphyritinae
|
| Genus: |
Aclistoceras
|
| Species: | smithwickense |
| Qualifier: | ss |
| Author: |
Plummer & Scott 1937,p.109
|
| Lower Boundary: |
UTX Smithwick Fm. base, 308.9 million years
|
| Upper Boundary: |
UTX Smithwick Fm. top, 308.6 million years
|