Suborder:
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Goniatitina
|
Superfamily:
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Schistoceratoidea
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Family:
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Schistoceratidae
|
Genus:
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Branneroceras |
Qualifier:
|
ge |
Author:
|
Plummer & Scott 1937,p.218
|
Lower Boundary:
|
U Halian--Bloydian, Brentwood base, 313 million years
|
Upper Boundary:
|
UAR Dye Shale--Kessler lmst., 311.3 million years
|