TaxNo: 6763Araxoceras nakamurai
| Suborder: |
Otoceratina
|
| Family: |
Araxoceratidae
|
| Subfamily: |
Araxoceratinae
|
| Genus: |
Araxoceras
|
| Species: | nakamurai |
| Qualifier: | ss |
| Author: |
Bando 1979,p.117
|
| Lower Boundary: |
AZB Araxoceras--Vedioceras beds, 256 million years
|
| Upper Boundary: |
Iranites/Phison.--Paratirol./Shevyrev., 253.4 million years
|