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Madtsoia

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(Redirected from Madtsoia bai) Extinct genus of snakes

Madtsoia
Temporal range: Maastrichtian–Eocene PreꞒ Ꞓ O S D C P T J K Pg N Possible Coniacian/Santonian and Late Oligocene records
Holotype of M. bai (AMNH 3154), American Museum of Natural History
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Family: †Madtsoiidae
Genus: †Madtsoia
Simpson, 1933
Species
  • M. bai Simpson, 1933 (type)
  • M. camposi Rage, 1998
  • M. madagascariensis Hoffstetter, 1961
  • M. pisdurensis Mohabey et al, 2011

Madtsoia is an extinct genus of madtsoiid snakes. It is known from the Eocene of Argentina (M. bai), the Paleocene of Brazil (M. camposi), the Late Cretaceous (Maastrichtian) of India (M. pisdurensis), and the Late Cretaceous (Maastrichtian) of Madagascar (M. madagascariensis). The type species (M. bai) was the largest with an estimated length of 9–10 m (30–33 ft), and the other three species were smaller. 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.

Madtsoia length estimates
Species Length
M. bai 9–10 m (30–33 ft)
M. camposi 5–6 m (16–20 ft)
M. madagascariensis 5.1–8 m (17–26 ft)
M. pisdurensis 5 m (16 ft)

Distribution

Fossils of Madtsoia have been found in:

Coniacian
Campanian
Late Cretaceous (Maastrichtian)
Eocene

References

  1. ^ 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. Bibcode:2011JVPal..31..588M. doi:10.1080/02724634.2011.560220. S2CID 129792355.
  2. ^ Rage, J.C. (1998). "Fossil snakes from the Paleocene of São José de Itaboraí, Brazil. Part II. Boidae". Palaeovertebrata. 27 (3–4): 109–144. S2CID 59450531.
  3. ^ Thomas C. Laduke; David W. Krause; John D. Scanlon; Nathan J. Kley (2010). "A Late Cretaceous (Maastrichtian) snake assemblage from the Maevarano Formation, Mahajanga Basin, Madagascar". Journal of Vertebrate Paleontology. 30 (1): 109–138. Bibcode:2010JVPal..30..109L. doi:10.1080/02724630903409188.
  4. ^ Peter Wilf; N. Rubén Cúneo; Ignacio H. Escapa; Diego Pol; Michael O. Woodburne (2013). "Splendid and Seldom Isolated: The Paleobiogeography of Patagonia". Annual Review of Earth and Planetary Sciences. 41: 561–603. Bibcode:2013AREPS..41..561W. doi:10.1146/annurev-earth-050212-124217. hdl:11336/5383.
  5. ^ Scanlon, John D. (2014). "3 – Giant terrestrial reptilian carnivores of Cenozoic Australia". In Glen, A.S.; Dickman, C.R. (eds.). Carnivores of Australia: Past, Present and Future. CSIRO Publishing. pp. 29–53. ISBN 9780643103108.
  6. Madtsoia at Fossilworks.org
  7. "Iraganaren berri". zientzia.eus (in Basque). 1 June 2007. Retrieved 23 November 2017.

Further reading

External links

Fossil snakes
Genera with hindlimbs and a sacrum
Simoliophiidae
Madtsoiidae
Dinilysiidae
Boidae
Pythonidae
Palaeophiidae
Viperidae
Elapidae
Psammophiidae
Taxon identifiers
Madtsoia


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