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Scientific classification
Kingdom: Animalia
Phylum: Chordata
Superclass: Osteichthyes
Class: Actinopterygii
Subclass: Chondrostei
Order: Ptycholepiformes
Andrews et al. 1967

Ptycholepiformes were an order of extinct prehistoric ray-finned fish.[1]



  1. ^ "Ptycholepiformes". Paleobiology Database. Retrieved November 11, 2012. 
  2. ^ Haaramo, Mikko (2007). "†Ptycholepiformes". Mikko's Phylogeny Archive. Retrieved 30 December 2016. 
  3. ^ Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016). Fishes of the World (5th ed.). John Wiley & Sons. ISBN 9781118342336. 
  4. ^ van der Laan, Richard (2016). "Family-group names of fossil fishes".