TaxNo: 6042Genus Leiogastrioceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Gastrioceratidae
|
| Genus: | Leiogastrioceras |
| Qualifier: | gy |
| Author: |
Yang 1978,p.184
|
| Valid: | Cancelloceras Ruzhentsev & Bogosl.* |
| Lower Boundary: |
RUS Nm2b3--Nm2c1,Bilinguites-Cancelloc.G, 314.8 million years
|
| Upper Boundary: |
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
|