Suborder:
|
Goniatitina
|
Superfamily:
|
Schistoceratoidea
|
Family:
|
Welleritidae
|
Subfamily:
|
Welleritinae
|
Genus:
|
Winslowoceras
|
Species:
|
henbesti+ |
Qualifier:
|
ss |
Author:
|
Miller & Downs 1948,p.679
|
Lower Boundary:
|
U Morrowan (Bloydian)--Atokan[MOR--ATO], 310.4 million years
|
Upper Boundary:
|
UAR Lower--Upper Atoka Fm., 309.2 million years
|