| Suborder: |
Anarcestina
|
| Superfamily: |
Anarcestoidea
|
| Family: |
Holzapfeloceratidae
|
| Genus: |
Holzapfeloceras
|
| Species: | inversum |
| Qualifier: | ss |
| Author: |
Wedekind 1918,p.116
|
| Lower Boundary: |
australis--kockelianus Zone [04,80], 393.8 million years
|
| Upper Boundary: |
MD2A--MD2B: undul.--molarium Z. [13,00], 390.6 million years
|
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