| Suborder: |
Goniatitina
|
| Superfamily: |
Goniatitoidea
|
| Family: |
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
|
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