| Madtsoia
Possible Coniacian/Santonian and Late Oligocene records | |
|---|---|
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| Madtsoia bai | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Family: | †Madtsoiidae |
| Genus: | †Madtsoia Simpson, 1933 |
| Species | |
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Madtsoia is an extinct genusofmadtsoiid snakes. It is known from the EoceneofArgentina (M. bai),[1] the PaleoceneofBrazil (M. camposi),[2] the Late Cretaceous (Maastrichtian) of India (M. pisdurensis),[1] and the Late Cretaceous (Maastrichtian) of Madagascar (M. madagascariensis).[3] The type species (M. bai) was the largest with an estimated length of 9–10 m (30–33 ft),[4][5] and the other three species were smaller.[3][2][1] A 5.1 m (17 ft) long M. madagascariensis would have weighed 50 kg (110 lb), but an isolated specimen suggests that this species reached 8 m (26 ft) in maximum length.[3]
| Species | Length |
|---|---|
| M. bai | 9–10 m (30–33 ft)[4][5] |
| M. camposi | 5–6 m (16–20 ft)[2] |
| M. madagascariensis | 5.1–8 m (17–26 ft)[3] |
| M. pisdurensis | 5 m (16 ft)[1] |
Fossils of Madtsoia have been found in:[6]
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Fossil snakes
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| Genera with hindlimbs and a sacrum |
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| Simoliophiidae |
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| Madtsoiidae |
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| Dinilysiidae |
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| Boidae |
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| Pythonidae |
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| Palaeophiidae |
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| Viperidae |
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| Elapidae |
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| Psammophiidae |
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| Madtsoia |
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|---|---|
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