Suborder:
|
Anarcestina
|
Superfamily:
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Anarcestoidea
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Family:
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Holzapfeloceratidae
|
Genus:
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Holzapfeloceras?
|
Species:
|
simplex |
Qualifier:
|
sn |
Author:
|
Buch 1832,p.174
|
Lower Boundary:
|
Emsian--Eifelian [dm96:00,00] [EMS--EIF], 397.5 million years
|
Upper Boundary:
|
mid.--up.varcus Zone [17,00], 389 million years
|