Osteolepidida

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

Osteolepidida
Temporal range: 396–299 Ma Middle Devonian to Late Carboniferous
Osteolepis.
Scientific classification
Kingdom:
Phylum:
Subphylum:
Class:
Subclass:
Superorder:
Osteolepidida*
Clades

Below is a cladogram showing the paraphyly of Osteolepiformes compiled and modified from Ahlberg and Johanson (1998).[1] See also Swartz 2012.[2] 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

 
 
 
 
 
 
 
 
 
 
 
Osteolepidida

References

  1. Ahlberg, P. E.; Johanson, Z. (1998). "Osteolepiforms and the ancestry of tetrapods" (PDF). Nature. 395 (6704): 792–794. Bibcode:1998Natur.395..792A. doi:10.1038/27421. Archived from the original (PDF) on 2014-11-24. Retrieved 2013-11-25.
  2. Swartz, B. (2012). "A marine stem-tetrapod from the Devonian of Western North America". PLoS ONE. 7 (3): e33683. Bibcode:2012PLoSO...733683S. doi:10.1371/journal.pone.0033683. PMC 3308997. PMID 22448265.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.