| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Glaphyritidae
|
| Subfamily: |
Stenoglaphyritinae
|
| Genus: |
Euroceras
|
| Species: | kalmiusense |
| Qualifier: | ss |
| Author: |
Popov 1979,p.63
|
| Lower Boundary: |
RUS Nm1b2--Nm1c1,Fayettevillea-Delepinoc, 324 million years
|
| Upper Boundary: |
RUS Nm1c2--Nm2a1, Homoc.-Hudsonoc.GZ, 318.1 million years
|
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