TaxNo: 4843Genus Ophilyroceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: |
Rhymmoceratidae
|
| Genus: | Ophilyroceras |
| Qualifier: | ge |
| Author: |
Ruzhencev & Bog. 1971,p.355
|
| Lower Boundary: |
RUS Nm1a1--Nm1a2 (P.cloudi--Do.miranda), 327.4 million years
|
| Upper Boundary: |
RUS Nm1a2--Nm1b1,Uralopron.-Cravenoc. GZ, 326.4 million years
|