Protognathodus
| Protognathodus Temporal range: Devonian/Carboniferous | |
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| Genus: | †Protognathodus |
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Protognathus (preoccupied by Protognathus Basilewsky 1950, which is considered syn. of Pseudognathaphanus Schauberger, 1932) | |
Protognathodus is an extinct conodont genus in the family Idiognathodontidae.