Appalachignathus
| Appalachignathus Temporal range: | |
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| Genus: | †Appalachignathus Bergström at al. 1974 |
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Appalachignathus is a genus of multielement conodonts from the Middle Ordovician of North America.
The elements of Appalachignathus are amongst the first occurrences of the Ozarkodina-type feeding apparatuses.