Suborder:
|
Tornoceratina
|
Superfamily:
|
Prionoceratoidea
|
Family:
|
Prionoceratidae
|
Subfamily:
|
Prionoceratinae
|
Genus:
|
Rectimitoceras
|
Species:
|
karagandense |
Qualifier:
|
sy |
Author:
|
Bogoslovsky 1971,p.197
|
Valid:
|
Rectimitoceras quadripartitum (Münster) |
Lower Boundary:
|
UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|
Upper Boundary:
|
UD5A--UD5B: ornata Zone base [17,10], 364.8 million years
|