Madtsoia
| Madtsoia Temporal range: Coniacian-Late Eocene (Casamayoran) ~89.3–37.2 Ma | |
|---|---|
 | |
| Madtsoia bai | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | †Madtsoiidae |
| Genus: | †Madtsoia Simpson, 1933 |
| Species | |
| |
Madtsoia is an extinct genus of madtsoiid snakes. It is known from the Eocene (Casamayoran and Itaboraian) of Argentina (M. bai), the Paleocene of Brazil (M. camposi), the Late Cretaceous (Campanian) of Spain (M. laurasiae), the Late Cretaceous of India (M. pisdurensis),[1] and the Late Cretaceous (Maastrichtian) of Madagascar and the Coniacian of Niger (M. madagascariensis). Recovered vertebrae of M. pisdurensis are 1.83 centimetres (0.72 in) long and 4.35 centimetres (1.71 in) tall) and pertain to a snake that was approximately 5 metres (16 ft) long.[1]
Distribution
Fossils of Madtsoia have been found in:[2]
- Coniacian
- Beceten Formation, Niger
- Campanian
- Late Cretaceous
- Maastrichtian
- Eocene
- Casamayoran, Sarmiento Formation, Argentina
- Itaboraian, Las Flores Formation, Argentina
References
- 1 2 3 Mohabey, D.M.; Head, J.J.; Wilson, J.A. (2011). "A new species of the snake Madtsoia from the Upper Cretaceous of India and its paleobiogeographic implications". Journal of Vertebrate Paleontology. 31 (3): 588–595. doi:10.1080/02724634.2011.560220.
- ↑ Madtsoia at Fossilworks.org
Further reading
- Snakes: The Evolution of Mystery in Nature by Harry W. Greene
- In the Shadow of the Dinosaurs: Early Mesozoic Tetrapods by Nicholas C. Fraser and Hans-Dieter Sues
External links
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