Superclass Osteichthyes | Phylum Chordata Rank Order | |
Similar Perleidiformes, Birgeriidae, Pholidophoriformes, Palaeonisciformes, Platysomoidei |
Ptycholepiformes were an order of extinct prehistoric ray-finned fish.
Only two genera are mentioned for this order:
References
Ptycholepiformes Wikipedia(Text) CC BY-SA