Suborder:
|
Anarcestina
|
Superfamily:
|
Beloceratoidea
|
Family:
|
Acanthoclymeniidae |
Qualifier:
|
fa |
Author:
|
Schindewolf 1955,p.422
|
Lower Boundary:
|
AUW Frasnian A base, 385.8 million years
|
Upper Boundary:
|
UD1J--UD1K:paradox.--A.varicosum [04,85], 376.9 million years
|