Suborder:
|
Tornoceratina
|
Superfamily:
|
Prionoceratoidea
|
Family:
|
Prionoceratidae
|
Subfamily:
|
Acutimitoceratinae
|
Genus:
|
Acutimitoceras
|
Species:
|
werriense |
Qualifier:
|
ss |
Author:
|
Campbell & Engel 1963,p.84
|
Lower Boundary:
|
AUN Namoi Formation base, 353 million years
|
Upper Boundary:
|
AUN Dangarfield Formation base, 350 million years
|