Country:
|
Russian Federation
|
Province:
|
Urals,N (undifferentiated)
|
Locality:
|
Bol'shaya Nadota River
|
Layer:
|
Loc.Nd9,sample unrecognized |
Lower Boundary:
|
Bollandoc./Bollandit.--Beyrichoceras BZ, 334.5 million years
|
Upper Boundary:
|
Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
|
Georeference:
|
|