TaxNo: 2395Isohomoceras modestum
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Homoceratidae
|
| Subfamily: |
Homoceratinae
|
| Genus: |
Isohomoceras
|
| Species: | modestum |
| Qualifier: | ss |
| Author: |
Ruzhencev & Bog. 1978,p.191
|
| Lower Boundary: |
RUS Nm2a1--Nm2a2 (H.coronat.--Hu.proteus, 317.7 million years
|
| Upper Boundary: |
RUS Nm2b1--Nm2b2(S.krest.--P.alpharhip.), 316.8 million years
|