Suborder:
|
Tornoceratina
|
Superfamily:
|
Tornoceratoidea
|
Family:
|
Tornoceratidae
|
Subfamily:
|
Aulatornoceratinae
|
Genus:
|
Aulatornoceras
|
Species:
|
compressum |
Qualifier:
|
ss |
Author:
|
Grüneberg 1925,p.65
|
Lower Boundary:
|
Givetian--Frasnian [GIV--FRS], 385.3 million years
|
Upper Boundary:
|
UD1K--UD1L:varicos.--C.holzapfeli [05,35, 375.1 million years
|