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Madtsoiidae is an extinct family of mostly Gondwanan snakes with a fossil record extending from early Cenomanian (Upper Cretaceous) to late Pleistocene strata located in South America, Africa, India, Australia and Southern Europe. Madtsoiidae include very primitive snakes, which like extant boas and pythons would likely dispatch their prey by ...
In a phylogenetic analyses, Vasuki is recovered as a member of the extinct snake clade Madtsoiidae as the sister taxon to the clade formed by Madtsoia pisdurensis (Late Cretaceous India) and Gigantophis garstini (Late Eocene North Africa). It is a member of a lineage of medium–large bodied madtsoiids, which is in turn the sister taxon to a ...
Madtsoia is an extinct genus of madtsoiid snakes.It is known from the Eocene of Argentina (M. bai), [1] the Paleocene of Brazil (M. camposi), [2] the Late Cretaceous (Maastrichtian) of India (M. pisdurensis), [1] and the Late Cretaceous (Maastrichtian) of Madagascar (M. madagascariensis). [3]
Yurlunggur is a genus of fossil snake in the extinct family Madtsoiidae containing the species Yurlunggur camfieldensis known from the Oligocene and Miocene of Australia. [1] [2]Y. camfieldensis was a large apex predator that typically reached 4.5–6 m (15–20 ft) in length, with one vertebra from the Wyandotte Creek suggesting a maximum length of 7–8 m (23–26 ft).
Life restoration. Wonambi was a fairly large snake, with the type species (W. naracoortensis) exceeding 4–6 m (13–20 ft) long and the other species (W. barriei) reaching less than 3 m (9.8 ft) long.
Alamitophis is a genus of fossil snakes in the extinct family of Madtsoiidae. Its length is estimated at 80 centimetres (2.6 ft) and it probably fed on frogs, lizards, and small mammals. Its length is estimated at 80 centimetres (2.6 ft) and it probably fed on frogs, lizards, and small mammals.
Powellophis is a genus of extinct Madtsoiid snake from the Mealla Formation of Argentina, dating back to the Paleocene.It is a monospecific genus, with the only species being P. andina.
Sanajeh is a member of the Madtsoiidae, an extinct family of snakes that includes the Australian genera Wonambi and Yurlunggur. Below is a cladogram [ 4 ] showing the phylogenetic relations of Sanajeh : [ 2 ]