TaxNo: 3829Paragastrioceras tectum
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoicoceratoidea
|
| Family: |
Paragastrioceratidae
|
| Subfamily: |
Paragastrioceratinae
|
| Genus: |
Paragastrioceras
|
| Species: | tectum |
| Qualifier: | ss |
| Author: |
Ruzhencev 1956,p.165
|
| Lower Boundary: |
Aktastinian--Baigendzhinian [AKT--BAI], 282 million years
|
| Upper Boundary: |
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|