Suborder:
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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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Tornoceratinae
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Genus:
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Tornoceras
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NomSpecies:
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uniangulare
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Species:
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compressum |
Qualifier:
|
ss |
Author:
|
Clarke 1899,p.116
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Lower Boundary:
|
UNY Genundewa base (16--17), 383.3 million years
|
Upper Boundary:
|
UNY Genundewa--Middlesex (17--18), 382.7 million years
|