Polygnathacea
Extinct superfamily of jawless fish
From Wikipedia, the free encyclopedia
Polygnathacea is an extinct superfamily of conodonts.
| Polygnathacea | |
|---|---|
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10–11. Polygnathus sp. (see caption)
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 |
| Infraphylum: | Agnatha |
| Class: | †Conodonta |
| Order: | †Ozarkodinida |
| Suborder: | †Ozarkodinina |
| Superfamily: | †Polygnathacea Bassler, 1925[1] |
| Families | |
| |
Families
Families are:
- †Cavusgnathidae Clark et al., 1981
- †Palmatolepidae Müller, 1956
- †Polygnathidae Bassler, 1925
