TaxNo: 5737Genus Crispoceras
| Suborder: |
Anarcestina
|
| Superfamily: |
Anarcestoidea
|
| Family: |
Anarcestidae
|
| Subfamily: |
Anarcestinae
|
| Genus: | Crispoceras |
| Qualifier: | ge |
| Author: |
Chlupac & Turek 1983,p.110
|
| Lower Boundary: |
CZB richteri Zone lower--upper part, 400.5 million years
|
| Upper Boundary: |
MD1C--MD1D:S.macrocephalus base [01,80], 395.5 million years
|