Eotetrapodiformes

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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[change | change source]

Cladogram from Swartz, 2012:[3]



Megalichthyiformes


Eotetrapodiformes

Tinirau




Platycephalichthys


Elpistostegalia

Panderichthys


Stegocephalia


Tiktaalik



Elpistostege





Elginerpeton




Ventastega




Acanthostega




Ichthyostega




Whatcheeriidae




Colosteidae




Crassigyrinus




Baphetidae



Tetrapoda
















References[change | change source]

  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.