Ectosteorhachis

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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
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.

References

  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.


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