TaxNo: 2254Proshumardites principalis*
| Suborder: |
Goniatitina
|
| Superfamily: |
Goniatitoidea
|
| Family: |
Agathiceratidae
|
| Genus: |
Proshumardites
|
| Species: | principalis* |
| Qualifier: | ss |
| Author: |
Ruzhencev & Bog. 1971,p.240
|
| Lower Boundary: |
RUS Nm1c1--Nm1c2(uralicus--Del.bressoni), 322 million years
|
| Upper Boundary: |
RUS Nm1c2--Nm2a1, Homoc.-Hudsonoc.GZ, 318.1 million years
|