TaxNo: 6062Family Propinacoceratidae
| Suborder: |
Prolecanitina
|
| Superfamily: |
Medlicottioidea
|
| Family: | Propinacoceratidae |
| Qualifier: | fy |
| Author: |
Plummer & Scott 1937,p.89
|
| Valid: | Medlicottiidae (Propinacoceratinae) |
| Lower Boundary: |
UTX Clyde Fm. base, 290 million years
|
| Upper Boundary: |
RIT Amarassi beds top, 258 million years
|