Suborder:
|
Goniatitina
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Superfamily:
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Neodimorphoceratoidea
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Family:
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Ramositidae
|
Genus:
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Homoceratoides
|
Species:
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svetlanae |
Qualifier:
|
ss |
Author:
|
Korn 1997,p.90
|
Lower Boundary:
|
GBY H2c--R1(prereticul.--Ho.magistrorum), 317 million years
|
Upper Boundary:
|
GBY R1a2--R1a3(R.circumplic.--subretic.), 316.6 million years
|