Ectosteorhachis

Ectosteorhachis is a genus of prehistoric lobe-finned fish that lived during the Permian period (Cisuralian epoch, about 299 to 272 million years ago). It belonged to the group of Tetrapodomorpha and to the family of Megalichthyidae.[1][2] Ectosteorhachis was a fresh water fish.

Ectosteorhachis
Temporal range: Permian
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Tetrapodomorpha
Clade: †Megalichthyiformes
Family: †Megalichthyidae
Genus: †Ectosteorhachis
Cope, 1880
Type species
†Ectosteorhachis nitidus
Cope, 1880
Ectosteorhachis fossil

References
  1. Philippe Janvier, Gaël Clément and Richard Cloutier (2007). "A primitive megalichthyid fish (Sarcopterygii, Tetrapodomorpha) from the Upper Devonian of Turkey and its biogeographical implications" (PDF). Geodiversitas. 29 (2): 249–268. Archived from the original (PDF) on 2013-11-14.{{cite journal}}: CS1 maint: uses authors parameter (link)
  2. Florian Witzmann, Rainer R. Schoch (2012). "A megalichthyid sarcopterygian fish from the Lower Permian (Autunian) of the Saar-Nahe Basin, Germany". Geobios. 45 (2): 241–248. doi:10.1016/j.geobios.2011.03.002.{{cite journal}}: CS1 maint: uses authors parameter (link)


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