Ptyonius
| Ptyonius | |
|---|---|
| .jpg)  | |
| Fossils of two Ptyonius specimens | |
| Scientific classification   | |
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Order: | †Nectridea | 
| Family: | †Urocordylidae | 
| Subfamily: | †Urocordylinae | 
| Genus: | † Cope, 1875 | 
Ptyonius is an extinct genus of nectridean tetrapodomorphs within the family Urocordylidae.[1]
References
- ^ Camp, Charles Lewis; VanderHoof, Vertress Lawrence (1940). Bibliography of Fossil Vertebrates, 1928-1933. The Society. p. 494. ISBN 978-0-8137-2027-2. {{cite book}}: ISBN / Date incompatibility (help)
 

