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Megalichthyiformes

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See also: Osteolepidida

Megalichthyiformes
Temporal range: 396–273 Ma Middle Devonian to early Permian
Osteolepis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Sarcopterygii
Clade: Tetrapodomorpha
Order: †Osteolepiformes
Families

Osteolepiformes, also known as megalichthyiformes,[1] are a group of prehistoric lobe-finned fishes which first appeared during the Devonian period. The order contains two families: Megalichthyidae and Osteolepidae. The Order is generally considered to be paraphyletic because the characters that define it are mainly attributes of stem tetrapodomorphs.[2]

Below is a cladogram showing the Osteolepiformes modified from Swartz 2012.[1]

Osteolepiformes

†Gogonasus andrewsae Long 1985

†Gyroptychius Jarvik 1948

†Osteolepidae

†Medoevia lata Lebedev 1995

†Megalichthyidae Long 1985

References

  1. ^ a b 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.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  2. ^ 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 2010-01-30.
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