Suborder:
|
Anarcestina
|
Superfamily:
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Anarcestoidea
|
Family:
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Holzapfeloceratidae
|
Genus:
|
Holzapfeloceras
|
Species:
|
angulatostriatus |
Qualifier:
|
ss |
Author:
|
Kayser 1883,p.306
|
Lower Boundary:
|
australis--kockelianus Zone [04,80], 393.8 million years
|
Upper Boundary:
|
MD2A--MD2B: undul.--molarium Z. [13,00], 390.6 million years
|