Holostei are bony fish that show primitive characteristics. There are eight species divided among two orders, the Amiiformes represented by a single living species, the bowfin (Amia calva), and the Lepisosteiformes, the gars. There are more species to be found in the fossil record.
Temporal range: Jurassic - Recent
|Spotted gar, Lepisosteus oculatus|
|Bowfin, Amia calva|