Suborder:
|
Goniatitina
|
Superfamily:
|
Schistoceratoidea
|
Family:
|
Schistoceratidae
|
Genus:
|
Paralegoceras
|
Species:
|
iowense+* |
Qualifier:
|
ss |
Author:
|
Meek & Worthen 1860,p.471
|
Lower Boundary:
|
UAR Lower--Upper Atoka Fm., 309.2 million years
|
Upper Boundary:
|
UAR Upper Atoka Fm. top, 308.6 million years
|