TaxNo: 2807Hammatocyclus? brazerensis
| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Pericyclidae
|
| Subfamily: |
Hammatocyclinae
|
| Genus: |
Hammatocyclus?
|
| Species: | brazerensis |
| Qualifier: | ss |
| Author: |
Gordon 1986,p.31
|
| Lower Boundary: |
UNM Caballero Fm. base, 357.5 million years
|
| Upper Boundary: |
UNM Caballero Fm. top, 353 million years
|