TaxNo: 4471Altudoceras? texanum
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoicoceratoidea
|
| Family: |
Paragastrioceratidae
|
| Subfamily: |
Pseudogastrioceratinae
|
| Genus: |
Altudoceras?
|
| Species: | texanum |
| Qualifier: | ss |
| Author: |
Clifton 1942,p.697
|
| Lower Boundary: |
UTX Kungurian/Leonardian base, 275.6 million years
|
| Upper Boundary: |
UTX Kungurian/Leonardian top, 270.6 million years
|