TaxNo: 5041Popanoceras transalayense
| Suborder: |
Goniatitina
|
| Superfamily: |
Popanoceratoidea
|
| Family: |
Popanoceratidae
|
| Genus: |
Popanoceras
|
| Species: | transalayense |
| Qualifier: | ss |
| Author: |
Tumanskaia 1939,p.99
|
| Lower Boundary: |
Sygar Fm. base, 284.4 million years
|
| Upper Boundary: |
Chelamchin Fm. top, 270.6 million years
|