TaxNo: 1080Gyroceratites gracilis+
| Suborder: |
Agoniatitina
|
| Superfamily: |
Mimoceratoidea
|
| Family: |
Mimoceratidae
|
| Genus: |
Gyroceratites
|
| Species: | gracilis+ |
| Qualifier: | ss |
| Author: |
Bronn 1835,p.102
|
| Lower Boundary: |
Gyroceratites gracilis RZ base [13,80], 404 million years
|
| Upper Boundary: |
LD4A--LD4B:G.grac.--Latanar. noeggerati, 401.6 million years
|