Suborder:
|
Tornoceratina
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Superfamily:
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Tornoceratoidea
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Family:
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Tornoceratidae
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Subfamily:
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Aulatornoceratinae
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Genus:
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Truyolsoceras
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Species:
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bicostatum |
Qualifier:
|
ss |
Author:
|
Hall 1843,p.246
|
Lower Boundary:
|
UNY Lower--Upper Canadaway (25--26), 370.8 million years
|
Upper Boundary:
|
UNY Upper Canadaway top (26--27), 370 million years
|