TaxNo: 1398Holzapfeloceras circumflexiferum
| Suborder: |
Anarcestina
|
| Superfamily: |
Anarcestoidea
|
| Family: |
Holzapfeloceratidae
|
| Genus: |
Holzapfeloceras
|
| Species: | circumflexiferum |
| Qualifier: | ss |
| Author: |
Sandberger & Sandb. 1852,p.111
|
| Lower Boundary: |
Eifel.--Givetian [dm96:08,20] [EIF--GIV], 391.8 million years
|
| Upper Boundary: |
mid.--up.varcus Zone [17,00], 389 million years
|