Suborder:
|
Goniatitina
|
Superfamily:
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Thalassoceratoidea
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Family:
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Thalassoceratidae
|
Genus:
|
Mapesites |
Qualifier:
|
ge |
Author:
|
Work & Boardman 2003,p.1195
|
Lower Boundary:
|
U Missourian--Virgilian [MIS--VIR], 305 million years
|
Upper Boundary:
|
UTX Brad Fm.--Caddo Creek Fm., 304.7 million years
|