Polygnathus
| Polygnathus | |
|---|---|
 |
|
| 10–11. Polygnathus sp. detail
10–14. Conodonts from the basal 20 cm of the Loyalhanna Limestone Member of the Mauch Chunk Formation, Keystone quarry, Pa. (93RS–79a), and Westernport, Md. (93RS–67). Note the highly abraded and reworked aeolian forms.
10. Polygnathus sp., Pa element, upper view, reworked Late Devonian to Early Mississippian morphotype, 93RS–79a, X140. 11. Polygnathus sp., Pa element, upper view, reworked Late Devonian to Early Mississippian morphotype, 93RS–67, X140. |
|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Conodonta |
| Order: | †Ozarkodinida |
| Superfamily: | †Polygnathacea |
| Family: | †Polygnathidae |
| Genus: |
†Polygnathus Hinde 1879 |
| Species and subspecies | |
|
See text |
|
See text
Polygnathus is an extinct genus of conodonts.
The Tournaisian, the oldest age of the Mississippian (also known as Lower Carboniferous), contains eight conodont biozones, one of which is defined by a Polygnathus species:
...
Wikipedia