Suborder:
|
Tornoceratina
|
Superfamily:
|
Tornoceratoidea
|
Family:
|
Tornoceratidae
|
Subfamily:
|
Aulatornoceratinae
|
Genus:
|
Aulatornoceras
|
Species:
|
cinctum |
Qualifier:
|
sh |
Author:
|
Keyserling 1844,p.227
|
Valid:
|
Aulatornoceras keyserlingi Müller 1956 |
Lower Boundary:
|
UD1B--UD1C:stylioph.--T.kayserl. [01,70], 383.3 million years
|
Upper Boundary:
|
UD1D--UD1E:S.syngon.--P.lutheri [02,00], 381.6 million years
|