TaxNo: 3142Richardsonites gairensis
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Glaphyritidae
|
| Subfamily: |
Glaphyritinae
|
| Genus: |
Richardsonites
|
| Species: | gairensis |
| Qualifier: | ss |
| Author: |
Currie 1954,p.577
|
| Lower Boundary: |
GBY E1c--E2a1 (Crav.malham.--cowling.), 324 million years
|
| Upper Boundary: |
GBY E2c4--H1a(Nu.nuculum--I.subglobosum), 319 million years
|