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Extinct family of jawless fishes
Polygnathidae is an extinct family of conodonts.
References
- ^ Classification and stratigraphic use of the conodonts. RS Bassler - Geological Society of America Bulletin, 1925
External links
- "Polygnathidae" at the Encyclopedia of Life
- Polygnathidae at fossilworks.org (retrieved 1 May 2016)
Polygnathidae |
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