Suborder:
|
Goniatitina
|
Superfamily:
|
Goniatitoidea
|
Family:
|
Goniatitidae
|
Genus:
|
Arnsbergites
|
Species:
|
waddingtoni |
Qualifier:
|
sy |
Author:
|
Bisat 1928,p.131
|
Valid:
|
Arnsbergites sphaericostriatus (Bisat 24 |
Lower Boundary:
|
DER Go beta falcatus--Go beta gracilis, 329.1 million years
|
Upper Boundary:
|
DER Go beta gracilis Z.--spirale Z. [13., 328.8 million years
|