Biology:Ectosteorhachis
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Short description: Extinct genus of fishes
| Ectosteorhachis Temporal range: Permian
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Sarcopterygii |
| Clade: | Tetrapodomorpha |
| Clade: | †Megalichthyiformes |
| Family: | †Megalichthyidae |
| Genus: | †Ectosteorhachis Cope, 1880 |
| Type species | |
| †Ectosteorhachis nitidus Cope, 1880
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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.
References
- ↑ Philippe Janvier; Gaël Clément; Richard Cloutier (2007). "A primitive megalichthyid fish (Sarcopterygii, Tetrapodomorpha) from the Upper Devonian of Turkey and its biogeographical implications". Geodiversitas 29 (2): 249–268. http://www.mnhn.fr/museum/front/medias/publication/10536_g07n2a2.pdf.
- ↑ 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. Bibcode: 2012Geobi..45..241W.
Wikidata ☰ {{{from}}} entry
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