Suborder:
|
Goniatitina
|
Superfamily:
|
Pericycloidea
|
Family:
|
Pericyclidae
|
Subfamily:
|
Pericyclinae
|
Genus:
|
Goniocycloides
|
Species:
|
ochakensis+ |
Qualifier:
|
ss |
Author:
|
Work & Nassichuk 2000,p.35
|
Lower Boundary:
|
GBY lower--upper Chadian [CHD], 345.3 million years
|
Upper Boundary:
|
Chadian--Arundian [V1a--V1b] [CHD--ARU], 344.5 million years
|