| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Rotopericyclidae
|
| Subfamily: |
Rotopericyclinae
|
| Genus: |
Rotopericyclus
|
| Species: | pinyonensis |
| Qualifier: | ss |
| Author: |
Gordon 1986,p.30
|
| Lower Boundary: |
UNM Caballero Fm. base, 357.5 million years
|
| Upper Boundary: |
UNM Caballero Fm. top, 353 million years
|
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