Suborder:
|
Goniatitina
|
Superfamily:
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Gastrioceratoidea
|
Family:
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Reticuloceratidae
|
Subfamily:
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Surenitinae
|
Genus:
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Verneuilites
|
Species:
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pygmaeus* |
Qualifier:
|
ss |
Author:
|
Mather 1925,p.243
|
Lower Boundary:
|
UAR Cane Hill--Prairie Grove of Hale Fm., 314.8 million years
|
Upper Boundary:
|
U Halian--Bloydian, Brentwood base, 313 million years
|