TaxNo: 2361Chumazites primus+
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: |
Rhymmoceratidae
|
| Genus: |
Chumazites
|
| Species: | primus+ |
| Qualifier: | ss |
| Author: |
Ruzhencev & Bog. 1978,p.147
|
| Lower Boundary: |
RUS Nm2b1--Nm2b2(S.krest.--P.alpharhip.), 316.8 million years
|
| Upper Boundary: |
RUS Nm2b2--Nm2b3 (alpharh.--R.reticul.), 315.4 million years
|