Eotetrapodiformes

Eotetrapodiformes
Temporal range: Middle Devonian–Recent
Skull of the tristichopterid Platycephalichthys in CosmoCaixa Barcelona
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Tetrapodomorpha
Clade: Eotetrapodiformes
Coates & Friedman, 2010
Subgroups

Eotetrapodiformes is a clade of sarcopterygian fish including tetrapods and their ancestors.[1] Eotetrapodiformes is part of the larger clade tetrapodomorpha. But it excludes the basalmost tetrapodomorphs, such as megalichthyiforms.[2]

Cladogram

Cladogram from Swartz, 2012:[3]



Megalichthyiformes


Eotetrapodiformes

Tinirau




Platycephalichthys


Elpistostegalia

Panderichthys


Stegocephalia


Tiktaalik



Elpistostege





Elginerpeton




Ventastega




Acanthostega




Ichthyostega




Whatcheeriidae




Colosteidae




Crassigyrinus




Baphetidae



Tetrapoda
















References

  1. Two groups of stem tetrapods called tristichopterids and elpistostegalids.
  2. Coates, M.I.; Friedman, M. (2010). "Litoptychus bryanti and characteristics of stem tetrapod neurocrania". In Elliot, D.K.; Maisey, J.G.; Yu, X.; Miao, D. (eds.). Morphology, Phylogeny and Paleobiogeography of Fossil Fishes. Pfeil. pp. 389–416. ISBN 978-3-89937-122-2.
  3. 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.