| Holoptychiidae Temporal range: Devonian |
|
|---|---|
| Holoptychius sp. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Sarcopterygii |
| Order: | †Porolepiformes |
| Family: |
†Holoptychiidae Owen, 1860 |
| Genera | |
Holoptychiidae is an extinct family of lobe-finned fishes which lived during the Devonian period. At least one genus, Laccognathus, is thought to have been amphibious.