Suborder:
|
Tornoceratina
|
Superfamily:
|
Prionoceratoidea
|
Family:
|
Prionoceratidae
|
Subfamily:
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Acutimitoceratinae
|
Genus:
|
Acutimitoceras
|
Species:
|
carinatum cf. |
Qualifier:
|
cf |
Author:
|
Weyer 1977,p.172
|
Lower Boundary:
|
Devonian--Carboniferous Boundary [DCB], 359.2 million years
|
Upper Boundary:
|
low.Tournais.--mid.Tournais. [Tn1--Tn2], 357.5 million years
|