Ectosteorhachis
|
Ectosteorhachis Temporal range: Permian |
|
|---|---|
 |
|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Sarcopterygii |
| Order: | Osteolepiformes |
| Family: | Megalichthyidae |
| Genus: | Ectosteorhachis |
| Species: | E. nitidus |
| Binomial name | |
|
Ectosteorhachis nitidus |
|
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 Tetrapodomorpha and to the family of Megalichthyidae.Ectosteorhachis was a fresh water fish.
...
Wikipedia