Country:
|
USA
|
Province:
|
Nevada, Clark Co.
|
Locality:
|
Apex Section, about 10 mi. NE Las Vegas
|
Layer:
|
Eumorphoceras girtyi BZ |
Lower Boundary:
|
DER E2a--E2b, 322.5 million years
|
Upper Boundary:
|
GBY E2b2--E2b3 (holmesi--Cr.nititoides), 321.5 million years
|
Georeference:
|
|