Polygnathidae

Polygnathidae is an extinct family of conodonts.

Polygnathidae
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:
Phylum:
Class:
Order:
Suborder:
Superfamily:
Family:
Polygnathidae

Genera
  • Avignathus
  • Bispathodus
  • Ctenopolygnathus
  • Mehlina
  • Nicollidina
  • Pandorinellina
  • Parapolygnathus
  • Polygnathus Hinde, 1879 (type)
  • Streptognathodus
  • Synclydagnathus

References

  1. Classification and stratigraphic use of the conodonts. RS Bassler - Geological Society of America Bulletin, 1925


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