Suborder:
|
Goniatitina
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Superfamily:
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Neoglyphioceratoidea
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Family:
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Cravenoceratidae
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Subfamily:
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Cravenoceratinae
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Genus:
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Cravenoceratoides
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Species:
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nitidus+ |
Qualifier:
|
ss |
Author:
|
Phillips 1836,p.235
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Lower Boundary:
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GBY E2b1--E2b2 (Cr.edalensis--holmesi), 322 million years
|
Upper Boundary:
|
GBY E2b3--E2c1 C.nititoides--N.stellar.), 321 million years
|