TaxNo: 6552Paragastrioceras sofronizkyi
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoicoceratoidea
|
| Family: |
Paragastrioceratidae
|
| Subfamily: |
Paragastrioceratinae
|
| Genus: |
Paragastrioceras
|
| Species: | sofronizkyi |
| Qualifier: | ss |
| Author: |
Bogoslovskaya 1976,p.48
|
| Lower Boundary: |
UTX Kungurian/Leonardian base, 275.6 million years
|
| Upper Boundary: |
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|