Ectosteorhachis
| Ectosteorhachis Temporal range: Permian | |
|---|---|
 | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Sarcopterygii |
| Infraclass: | Tetrapodomorpha |
| (unranked): | Megalichthyiformes |
| Family: | Megalichthyidae |
| Genus: | Ectosteorhachis |
| Species: | E. nitidus |
| Binomial name | |
| Ectosteorhachis nitidus | |
Ectosteorhachis fossil
Ectosteorhachis is a genus of prehistoric lobe-finned fish that lived during the Permian period (Cisuralian epoch, about 270 to 299 million years ago). It belonged to the group of Megalichthyiformes and to the family of Megalichthyidae.[1][2] Ectosteorhachis was a fresh water fish.
References
- ↑ 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.
- ↑ 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.
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