Madtsoia bai

Madtsoia Temporal range: Coniacian-Late Eocene (Casamayoran) ~89.3–37.2 Ma PreЄ Є O S D C P T J K Pg N
Madtsoia bai
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	†Madtsoiidae
Genus:	†Madtsoia Simpson, 1933
Species
M. bai Simpson, 1933 (type) M. camposi Rage, 1998 M. laurasiae Simpson, 1933 M. madagascariensis Hoffstetter, 1961 M. pisdurensis Mohabey et al, 2011

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), 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.

Fossils of Madtsoia have been found in: