Elpistostegalia

Elpistostegalia, also known as Panderichthyida, is a type of prehistoric fish which lived about 385 to 374 million years ago.[2]

Elpistostegalia
Temporal range:
Late Devonian - Present,
File:Panderichthys BW.jpg
Panderichthys
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Eotetrapodiformes
Clade: Elpistostegalia
Camp & Allison, 1961
Type genus
Elpistostege
Westoll, 1938
Subgroups[1]
Synonyms
  • Panderichthyida Vorobyeva, 1989

Why they evolved

A rise in the world's oxygen content caused predatory fish to evolve,[3] and this fish was the most successful.[4]

What they evolved from

Below is a description of their evolutionary family tree.[1]

Eotetrapodiformes

Tristichopteridae 70 px




Tinirau




Platycephalichthys


Elpistostegalia

Panderichthys 70 px





Tiktaalik 70 px



Elpistostege





Elginerpeton 70 px




Ventastega




Acanthostega 70 px




Ichthyostega 70 px




Whatcheeriidae File:Pederpes22small.jpg




Colosteidae 70 px




Crassigyrinus 70 px




Baphetidae
















Elpistostegalia Media

References

  1. 1.0 1.1 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.
  2. Elpistostegidae on the Taxonomicon
  3. Dahl TW, Hammarlund EU, Anbar AD, et al. (October 2010). "Devonian rise in atmospheric oxygen correlated to the radiations of terrestrial plants and large predatory fish". Proc. Natl. Acad. Sci. U.S.A. 107 (42): 17911–5. Bibcode:2010PNAS..10717911D. doi:10.1073/pnas.1011287107. PMC 2964239. PMID 20884852.
  4. Lua error in Module:Citation/CS1/Identifiers at line 630: attempt to index field 'known_free_doi_registrants_t' (a nil value).