Suborder:
|
Goniatitina
|
Superfamily:
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Neoglyphioceratoidea
|
Family:
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Cravenoceratidae
|
Subfamily:
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Cravenoceratinae
|
Genus:
|
Cravenoceras
|
Species:
|
africanum |
Qualifier:
|
ss |
Author:
|
Delépine 1939,p.29
|
Lower Boundary:
|
DZA Saoura S4b--S4c, 324 million years
|
Upper Boundary:
|
DZA Saoura top S4c, 318.1 million years
|