Suborder:
|
Goniatitina
|
Superfamily:
|
Adrianitoidea
|
Family:
|
Adrianitidae
|
Subfamily:
|
Adrianitinae
|
Genus:
|
Aricoceras
|
Species:
|
cancellatum |
Qualifier:
|
sn |
Author:
|
Haniel 1915,p.74
|
Lower Boundary:
|
RIT Basleo beds base, 270.6 million years
|
Upper Boundary:
|
RIT Basleo beds top, 267.5 million years
|