Suborder:
|
Anarcestina
|
Superfamily:
|
Beloceratoidea
|
Family:
|
Gephuroceratidae
|
Subfamily:
|
Gephuroceratinae
|
Genus:
|
Manticoceras |
Qualifier:
|
ge |
Author:
|
Hyatt 1884,p.317
|
Lower Boundary:
|
UD1B--UD1C:stylioph.--T.kayserl. [01,70], 383.3 million years
|
Upper Boundary:
|
UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years
|