Suborder:
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Goniatitina
|
Superfamily:
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Nomismoceratoidea
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Family:
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Nomismoceratidae
|
Genus:
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Nomismoceras
|
Species:
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sp. |
Qualifier:
|
in |
Author:
|
div. authors
|
Lower Boundary:
|
DER Pe delta, nasutus Z. base [09.25], 334.5 million years
|
Upper Boundary:
|
DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
|