TaxNo: 4838Family Rhymmoceratidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: | Rhymmoceratidae |
| Qualifier: | fa |
| Author: |
Ruzhencev & Bog. 1971,p.334
|
| Lower Boundary: |
RUS Nm1a1--Nm1a2 (P.cloudi--Do.miranda), 327.4 million years
|
| Upper Boundary: |
Pendleian--Arnsbergian [PND--ARN], 324 million years
|