- Cladistia by James Simmons
... vertebrate zoology) The equivalent name for Polypteriformes.
- Actinopterygii by Juan Bryant
... Actinopterygii comprise Polypteriformes (bichirs and reedfish), Acipenseriformes (sturgeons and paddlefishes), Lepisosteiformes (gars), Amiiformes (bowfins), and Teleostei (teleosts). Actinops are characterized by the presence of a single dorsal fin, an enclosed sensory canal in the dentary bone, a specialized tissue called ganoin, and several other anatomical ...
- bichir by Andres Martin
... , similar in character and distribution, but with a longer, more eellike form. Bichirs are classified in the phylum Chordata, subphylum Vertebrata, class Osteichthyes, order Polypteriformes, family Polypteridae.