TaxNo: 1989Arnsbergites falcatus+
| Suborder: |
Goniatitina
|
| Superfamily: |
Goniatitoidea
|
| Family: |
Goniatitidae
|
| Genus: |
Arnsbergites
|
| Species: | falcatus+ |
| Qualifier: | ss |
| Author: |
Roemer 1850,p.50
|
| Lower Boundary: |
DER Go beta striatus--Go beta falcatus, 329.4 million years
|
| Upper Boundary: |
DER Go beta falcatus--Go beta gracilis, 329.1 million years
|