Suborder:
|
Tornoceratina
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Superfamily:
|
Tornoceratoidea
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Family:
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Posttornoceratidae
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Subfamily:
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Posttornoceratinae
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Genus:
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Posttornoceras
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Species:
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glenisteri |
Qualifier:
|
ss |
Author:
|
Petersen 1975,p.21
|
Lower Boundary:
|
UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
|
Upper Boundary:
|
UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
|