TaxNo: 355Hammatocyclus tuberculatus
| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Pericyclidae
|
| Subfamily: |
Hammatocyclinae
|
| Genus: |
Hammatocyclus
|
| Species: | tuberculatus |
| Qualifier: | ss |
| Author: |
Delépine 1940,p.42
|
| Lower Boundary: |
BEL Calonne top--Fac. Wauls. base, 349 million years
|
| Upper Boundary: |
BEL Facies Waulsortiens top, 342 million years
|