TaxNo: 1990Arnsbergites gracilis
| Suborder: |
Goniatitina
|
| Superfamily: |
Goniatitoidea
|
| Family: |
Goniatitidae
|
| Genus: |
Arnsbergites
|
| Species: | gracilis |
| Qualifier: | ss |
| Author: |
Korn 1988,p.101
|
| Lower Boundary: |
DER Go beta falcatus--Go beta gracilis, 329.1 million years
|
| Upper Boundary: |
DER Go spirale--Go beta rotundum, 328.6 million years
|