TaxNo: 4568Tumaroceras yakutorum
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoicoceratoidea
|
| Family: |
Paragastrioceratidae
|
| Subfamily: |
Paragastrioceratinae
|
| Genus: |
Tumaroceras
|
| Species: | yakutorum |
| Qualifier: | ss |
| Author: |
Ruzhencev 1961,p.59
|
| Lower Boundary: |
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|
| Upper Boundary: |
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|