TaxNo: 1404Maenioceras tenue
| Suborder: |
Anarcestina
|
| Superfamily: |
Triainoceratoidea
|
| Family: |
Maenioceratidae
|
| Genus: |
Maenioceras
|
| Species: | tenue |
| Qualifier: | sy |
| Author: |
Holzapfel 1895,p.111
|
| Valid: | Maenioceras terebratum (Sandb. & Sandb.) |
| Lower Boundary: |
ensensis--hemiansatus Zone [08,20], 391.8 million years
|
| Upper Boundary: |
mid.--up.varcus Zone [17,00], 389 million years
|