Suborder:
|
Anarcestina
|
Superfamily:
|
Beloceratoidea
|
Family:
|
Gephuroceratidae
|
Subfamily:
|
Gephuroceratinae
|
Genus:
|
Manticoceras
|
Species:
|
complanatum |
Qualifier:
|
sy |
Author:
|
Sandberger & Sandb. 1851,p.90
|
Valid:
|
Manticoceras lamed (Sandb. & S. 1851) |
Lower Boundary:
|
DER do one beta base, 378.7 million years
|
Upper Boundary:
|
UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years
|