Suborder:
|
Goniatitina
|
Superfamily:
|
Goniatitoidea
|
Family:
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Goniatitidae
|
Genus:
|
Goniatites
|
Species:
|
concentricus |
Qualifier:
|
sy |
Author:
|
Hodson & Moore 1959,p.385
|
Valid:
|
Goniatites fimbriatus (Foord & Crick 97) |
Lower Boundary:
|
DER Go alpha 3--Go alpha 4 [13.00], 332 million years
|
Upper Boundary:
|
DER Go beta striatus--Go beta falcatus, 329.4 million years
|