TaxNo: 4828Genus Quasicravenoceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: |
Cravenoceratidae
|
| Subfamily: |
Cravenoceratinae
|
| Genus: | Quasicravenoceras |
| Qualifier: | ge |
| Author: |
Ruzhencev & Bog. 1971,p.279
|
| Lower Boundary: |
RUS Nm1a2--Nm1b1,Uralopron.-Cravenoc. GZ, 326.4 million years
|
| Upper Boundary: |
RUS Nm1b2--Nm1c1,Fayettevillea-Delepinoc, 324 million years
|