Suborder:
|
Goniatitina
|
Superfamily:
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Schistoceratoidea
|
Family:
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Pseudoparalegoceratidae
|
Genus:
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Phaneroceras
|
Species:
|
sp. |
Qualifier:
|
in |
Author:
|
div. authors
|
Lower Boundary:
|
UAR Lower--Upper Atoka Fm., 309.2 million years
|
Upper Boundary:
|
UAR Upper Atoka Fm. top, 308.6 million years
|