Suborder:
|
Goniatitina
|
Superfamily:
|
Goniatitoidea
|
Family:
|
Goniatitidae
|
Genus:
|
Goniatites
|
Species:
|
crenistria early form |
Qualifier:
|
sy |
Author:
|
Bisat 1952,pl.1
|
Valid:
|
Goniatites hudsoni Bisat 1934 |
Lower Boundary:
|
DER Go alpha 1--Go alpha 2 [11.00], 333 million years
|
Upper Boundary:
|
DER Go alpha 2--Go alpha 3 [11.60], 332.3 million years
|