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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Falcitornoceratinae
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Genus:
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Phoenixites
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NomSpecies:
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frechi
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Species:
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parvus |
Qualifier:
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ss |
Author:
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Makowski 1991,p.246
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Lower Boundary:
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UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years
|
Upper Boundary:
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UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
|