Suborder:
|
Prolecanitina
|
Superfamily:
|
Medlicottioidea
|
Family:
|
Medlicottiidae
|
Subfamily:
|
Propinacoceratinae
|
Genus:
|
Propinacoceras
|
Species:
|
simile |
Qualifier:
|
ss |
Author:
|
Haniel 1915,p.34
|
Lower Boundary:
|
RIT Bitauni beds base, 275.6 million years
|
Upper Boundary:
|
RIT Bitauni beds top, 270.6 million years
|