Suborder:
|
Goniatitina
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Superfamily:
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Neoicoceratoidea
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Family:
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Neoicoceratidae
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Subfamily:
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Neoicoceratinae
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Genus:
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Eoasianites
|
Species:
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preconcinnus |
Qualifier:
|
ss |
Author:
|
Borissenkov 2004, p. 29
|
Lower Boundary:
|
Kasimovian--Gzhelian [KAS--GZE], 303.9 million years
|
Upper Boundary:
|
RUS lower--upper Gzhelian, 301 million years
|