Suborder:
|
Goniatitina
|
Superfamily:
|
Gastrioceratoidea
|
Family:
|
Glaphyritidae
|
Subfamily:
|
Stenoglaphyritinae
|
Genus:
|
Euroceras
|
Species:
|
nyense |
Qualifier:
|
ss |
Author:
|
Titus 2000,p. 47
|
Lower Boundary:
|
DER E2a--E2b, 322.5 million years
|
Upper Boundary:
|
GBY E2b2--E2b3 (holmesi--Cr.nititoides), 321.5 million years
|