Suborder:
|
Goniatitina
|
Superfamily:
|
Pericycloidea
|
Family:
|
Rotopericyclidae
|
Subfamily:
|
Rotopericyclinae
|
Genus:
|
Rotopericyclus
|
Species:
|
rotuliformis+ |
Qualifier:
|
ss |
Author:
|
Crick 1899,p.434
|
Lower Boundary:
|
IRL Lower Limestone base, 350 million years
|
Upper Boundary:
|
IRL Lower Limestone top, 345.3 million years
|