TaxNo: 4214Diaboloceras involutum
| Suborder: |
Goniatitina
|
| Superfamily: |
Schistoceratoidea
|
| Family: |
Schistoceratidae
|
| Genus: |
Diaboloceras
|
| Species: | involutum |
| Qualifier: | ss |
| Author: |
Nassichuk 1975,p.151
|
| Lower Boundary: |
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|
| Upper Boundary: |
UAR Lower--Upper Atoka Fm., 309.2 million years
|