Suborder:
|
Anarcestina
|
Superfamily:
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Anarcestoidea
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Family:
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Holzapfeloceratidae
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Genus:
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Holzapfeloceras
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Species:
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beushauseni |
Qualifier:
|
ss |
Author:
|
Wedekind 1918,p.116
|
Lower Boundary:
|
Eifel.--Givetian [dm96:08,20] [EIF--GIV], 391.8 million years
|
Upper Boundary:
|
MD2A--MD2B: undul.--molarium Z. [13,00], 390.6 million years
|