Suborder:
|
Goniatitina
|
Superfamily:
|
Neoicoceratoidea
|
Family:
|
Neoicoceratidae
|
Subfamily:
|
Neoicoceratinae
|
Genus:
|
Pronoceras |
Qualifier:
|
gn |
Author:
|
Plummer 1950,pl.19
|
Valid:
|
Eoasianites Ruzhentsev,1933,p.165 |
Lower Boundary:
|
Moscovian--Kasimovian [MOS--KAS], 306.5 million years
|
Upper Boundary:
|
U Missourian--Virgilian [MIS--VIR], 305 million years
|