Eotetrapodiformes

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Eotetrapodiformes
Temporal range: Middle Devonian–Recent
Platycephalichthys.jpg
Skull of the tristichopterid Platycephalichthys in CosmoCaixa Barcelona
Scientific classification e
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 Gogonasus BW.jpg


Eotetrapodiformes

Tinirau




PlatycephalichthysPlatycephalichthys bischoffi.jpg


Elpistostegalia

PanderichthysPanderichthys BW.jpg


Stegocephalia


TiktaalikTiktaalik BW.jpg



Elpistostege





ElginerpetonElginerpeton BW.jpg




VentastegaVentastega life restoration white background.jpg




Acanthostega Acanthostega BW.jpg




Ichthyostega Ichthyostega BW.jpg




Whatcheeriidae Pederpes22small.jpg




Colosteidae Greererpeton BW.jpg




Crassigyrinus Crassigyrinus BW.jpg




BaphetidaeLoxomma1DB.jpg



Tetrapoda Seymouria BW.jpg
















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.