Suborder:
|
Agoniatitina
|
Superfamily:
|
Mimoceratoidea
|
Family:
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Teicherticeratidae
|
Subfamily:
|
Teicherticeratinae
|
Genus:
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Convoluticeras
|
Species:
|
lardeuxi+ |
Qualifier:
|
ss |
Author:
|
Erben 1960,p.68
|
Lower Boundary:
|
LD3C--LD3D: Anetoceras Range Zone top, 405.5 million years
|
Upper Boundary:
|
Gyroceratites gracilis RZ base [13,80], 404 million years
|