''Appalachignathus'' is a genus of multielement
conodonts from the
Middle Ordovician
The Ordovician ( ) is a geologic period and system, the second of six periods of the Paleozoic Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period million years ago (Mya) to the start of the Silurian Period Mya.
Th ...
of North America.
The elements of ''Appalachignathus'' are amongst the first occurrences of the
Ozarkodina
''Ozarkodina'' is an extinct genus of conodonts in the family Spathognathodontidae.
Use in stratigraphy
''Ozarkodina snajdri'' forms a subdivision of the '' Pseudomonoclimacis'' latilobus graptolite zone in the Burgsvik beds Silurian format ...
-type feeding apparatuses.
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References
External links
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Prioniodontida genera
Ordovician fish of North America
Ordovician conodonts
Paleozoic life of the Northwest Territories
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