Osteolepiformes


Osteolepiformes
Osteolepiformes
Temporal range: 396–299 Ma
Middle Devonian to Late Carboniferous
Osteolepis.
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Sarcopterygii
Subclass: Tetrapodomorpha
Superorder: Osteolepiformes*
Clades

Osteolepiformes (or Osteolepidida) are a group of prehistoric lobe-finned fishes which appears first time during the Devonian period. The order contains five families: Canowindridae, Elpistostegidae, Megalichthyidae, Osteolepidae and Tristichopteridae. The superorder is generally considered to be paraphyletic because the characters that define it are mainly attributes of stem tetrapodomorphs.[1]

Below is a cladogram showing the paraphyly of Osteolepiformes modified from Ahlberg and Johanson (1998):[1] The Osteolepiformes are marked by the green bracket.

Tetrapodomorpha 

Kenichthys



 Rhizodontida 

Barameda



Gooloogongia






Gogonasus 



Osteolepis 







Megalichthys 



Cladarosymblema 




Ectosteorhachis 





Medoevia 






Koharolepis 



Canowindra 




Beelarongia 





Gyroptychius 



 Tristichopteridae 





Eusthenodon



Mandageria




Cabonnichthys




Platycephalichthys




Jarvikina




Eusthenopteron



Tristichopterus





Panderichthys


 Tetrapoda 

Acanthostega



Ichthyostega












Osteolepiformes

References

External links