TaxNo: 2206Cluthoceras truemani+
| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Muensteroceratidae
|
| Genus: |
Cluthoceras
|
| Species: | truemani+ |
| Qualifier: | ss |
| Author: |
Currie 1954,p.561
|
| Lower Boundary: |
GBY E1c--E2a1 (Crav.malham.--cowling.), 324 million years
|
| Upper Boundary: |
GBY E2c4--H1a(Nu.nuculum--I.subglobosum), 319 million years
|