Orthacodontidae
Orthacodontidae is an extinct family of sharks. It is disputed as to whether it belongs to the modern shark order Hexanchiformes, or the extinct order Synechodontiformes. It contains two genera. Some other authors included it in Lamniformes.
| Orthacodontidae Temporal range: | |
|---|---|
| The head of a Sphenodus nitidus | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Family: | †Orthacodontidae Glikman, 1957 |
| Genera | |
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