Megalichthys
| Megalichthys Temporal range: Devonian - Carboniferous | |
|---|---|
| Restoration of M. hibberti | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Sarcopterygii | 
| Clade: | Tetrapodomorpha | 
| Clade: | †Megalichthyiformes | 
| Family: | †Megalichthyidae | 
| Genus: | †Megalichthys Agassiz, 1839 | 
| Type species | |
| Megalichthys hibberti Agassiz, 1839 | |
| Species | |
| 
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Megalichthys is a genus of prehistoric lobe-finned fish which lived during the Devonian and Carboniferous periods. It is the type genus of the family Megalichthyidae. The type species is M. hibberti. The species M. mullisoni, named for fossil preparator C Frederick Mullison, is known from the Catskill Formation of Pennsylvania.