Suborder:
|
Tornoceratina
|
Superfamily:
|
Dimeroceratoidea
|
Family:
|
Dimeroceratidae
|
Genus:
|
Acrimeroceras
|
Species:
|
stella |
Qualifier:
|
ss |
Author:
|
Becker et al. 2002,p.176
|
Lower Boundary:
|
UD2E--UD2F:petterae--P.lentiforme[11,80], 371.6 million years
|
Upper Boundary:
|
UD2G--UD2H:subvaric.-P.contiguum [12,60], 370.4 million years
|