TaxNo: 2593Homoceras calyx
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Homoceratidae
|
| Subfamily: |
Homoceratinae
|
| Genus: |
Homoceras
|
| Species: | calyx |
| Qualifier: | sn |
| Author: |
Phillips 1836,p.236
|
| Lower Boundary: |
GBY E2c4--H1a(Nu.nuculum--I.subglobosum), 319 million years
|
| Upper Boundary: |
GBY H2c--R1(prereticul.--Ho.magistrorum), 317 million years
|