Suborder:
|
Tornoceratina
|
Superfamily:
|
Dimeroceratoidea
|
Family:
|
Sinotitidae
|
Genus:
|
Sinotites
|
Species:
|
aktubensis* |
Qualifier:
|
ss |
Author:
|
Bogoslovsky 1971,p.85
|
Lower Boundary:
|
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
Upper Boundary:
|
UD2H--UD2I:(mamilliferum base) [12,90], 370 million years
|