Suborder:
|
Goniatitina
|
Superfamily:
|
Dimorphoceratoidea
|
Family:
|
Girtyoceratidae
|
Subfamily:
|
Sudeticeratinae
|
Genus:
|
Winchelloceras
|
Species:
|
allei+ |
Qualifier:
|
ss |
Author:
|
Winchell 1862,p.363
|
Lower Boundary:
|
UMI Marshall Sdst.I base, 349 million years
|
Upper Boundary:
|
UMI Marshall Sdst.I top, 339 million years
|