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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:	Animalia
Phylum:	Chordata
Class:	†Conodonta
Order:	†Ozarkodinida
Suborder:	†Ozarkodinina
Superfamily:	†Polygnathacea
Family:	†Polygnathidae Bassler, 1925
Genera
†Avignathus †Bispathodus †Ctenopolygnathus †Mehlina †Nicollidina †Pandorinellina †Parapolygnathus †Polygnathus Hinde, 1879 (type) †Streptognathodus †Synclydagnathus

Polygnathidae is an extinct family of conodonts.

References

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

External links

• "Polygnathidae". The Encyclopedia of Life.
• Polygnathidae at fossilworks.org (retrieved 1 May 2016)

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