| Amorphognathus Temporal range:
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Conodonta |
| Clade: | †Prioniodontida |
| Family: | †Balognathidae |
| Genus: | †Amorphognathus Branson and Mehl 1933 |
| Species | |
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| Synonyms | |
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Balognathus Rhodes 1953 | |
Amorphognathus is an extinct conodont genus in the family Balognathidae from the Ordovician.[1]
- ^ The Ordovician zone index conodont Amorphognathus ordovicicus Branson & Mehl, 1933 from its type locality and the evolution of the genus Amorphognathus Branson & Mehl, 1933. Stig M. Bergström and Stephen A. Leslie, April 2010, Journal of Micropalaeontology, 29, pages 73-80, doi:10.1144/jm.29.1.73