Suborder:
|
Goniatitina
|
Superfamily:
|
Neoglyphioceratoidea
|
Family:
|
Cravenoceratidae
|
Subfamily:
|
Cravenoceratinae
|
Genus:
|
Cravenoceras
|
Species:
|
nitidum aff. |
Qualifier:
|
af |
Author:
|
Schindewolf 1934,p.163
|
Valid:
|
Ramosites sp. (TAX2492 ) |
Lower Boundary:
|
Serpukhovian--Bashkirian [SPK--BSH], 318.1 million years
|
Upper Boundary:
|
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
|