Ectosteorhachis

Ectosteorhachis
Temporal range: Cisuralian
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Sarcopterygii
Clade: Tetrapodomorpha
Clade: Megalichthyiformes
Family: Megalichthyidae
Genus: Ectosteorhachis
Cope, 1880
Type species
Ectosteorhachis nitidus
Cope, 1880
Species
  • E. ciceronius
  • E. nitidus
Ectosteorhachis fossil

Ectosteorhachis is an extinct genus of megalichthyid tetrapodomorphs that lived during the Permian period (Cisuralian epoch, about 299 to 272 million years ago).[1][2] Ectosteorhachis lived in freshwater environments.

  1. ^ Philippe Janvier; Gaël Clément; 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.
  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. Bibcode:2012Geobi..45..241W. doi:10.1016/j.geobios.2011.03.002.