| Suborder: |
Tornoceratina
|
| Superfamily: |
Tornoceratoidea
|
| Family: |
Posttornoceratidae
|
| Subfamily: |
Posttornoceratinae
|
| Genus: |
Posttornoceras
|
| Species: | posthumum |
| Qualifier: | ss |
| Author: |
Wedekind 1918,p.149
|
| Lower Boundary: |
UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|
| Upper Boundary: |
UD6E--UD6F:Cym.nigra--A.prorsum [19,40], 360 million years
|
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