Suborder:
|
Anarcestina
|
Superfamily:
|
Beloceratoidea
|
Family:
|
Acanthoclymeniidae
|
Genus:
|
Ponticeras?
|
Species:
|
regulare |
Qualifier:
|
ss |
Author:
|
Chao 1956,p.104
|
Lower Boundary:
|
DER do one beta--do one gamma, 377.5 million years
|
Upper Boundary:
|
UD1K--UD1L:varicos.--C.holzapfeli [05,35, 375.1 million years
|