TaxNo: 4459Eoaraxoceras ruzhencevi+
| Suborder: |
Otoceratina
|
| Family: |
Araxoceratidae
|
| Subfamily: |
Araxoceratinae
|
| Genus: |
Eoaraxoceras
|
| Species: | ruzhencevi+ |
| Qualifier: | ss |
| Author: |
Spinosa et al. 1970,p.732
|
| Lower Boundary: |
Capitanian--Wuchiapingian [CAP--DZH], 260.4 million years
|
| Upper Boundary: |
MXC La Colorada beds top, 258 million years
|