Alternognathus
| Alternognathus Temporal range:
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|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Infraphylum: | Agnatha |
| Class: | †Conodonta |
| Order: | †Ozarkodinida |
| Family: | †Elictognathidae |
| Genus: | †Alternognathus Ziegler & Sandberg, 1984 |
| Species | |
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Alternognathus is an extinct conodont genus in the family Elictognathidae. An extensive study on its population dynamics and lifespan has recently been published.