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Xenotyphlops is an ancient group that diverged from other blind snakes during the Cretaceous, following the separation of Madagascar from India.On the newly-isolated Madagascar, the ancestral Xenotyphlopidae and Typhlopidae diverged from one another; Typhlopidae dispersed worldwide from Madagascar while leaving behind a single Malagasy genus (Madatyphlops), while the Xenotyphlopidae remained ...
"Morphological variation and taxonomic reassessment of the endemic Malagasy blind snake family Xenotyphlopidae (Serpentes, Scolecophidia)". Spixiana 36 (2): 269–282. Wallach V, Ineich I (1996). "Redescription of a rare Malagasy blind snake, Typhlops grandidieri Mocquard, with placement in a new genus (Serpentes: Typhlopidae)".
All species in the family Typhlopidae are fossorial and feed on social fossorial invertebrates such as termites and ants. The tracheal lung is present and chambered in all species. One species, the Brahminy's blind snake, is the only unisexual snake, with the entire population being female and reproducing via parthenogenesis.
Madatyphlops is a genus of snakes in the family Typhlopidae.. Madatyphlops may represent a surviving clade of the ancestral Typhlopidae, which are thought to have originated on Madagascar during the Cretaceous, before later dispersing to mainland Africa and then worldwide.
The Scolecophidia, commonly known as blind snakes or thread snakes, [2] are an infraorder [2] of snakes. [3] They range in length from 10 to 100 centimeters (4 to 40 inches). All are fossorial (adapted for burrowing). [ 4 ]
This is a list of reptiles in Madagascar. Total number of species = 406 [1] Snakes. Boas (Boidae) Acrantophis madagascariensis (Duméril & Bibron, 1844)
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Three-banded centipede snake (Tantilla tritaeniata) Viquez's tropical ground snake (Trimetopon viquezi) (possibly extinct) Hong Kong blindsnake (Typhlops lazelli) Anatolian Mountain steppe viper (Vipera anatolica) South Caucasian viper (Vipera darevskii) Mount Papai viper (Vipera orlovi) Typical Madagascar blind snake (Xenotyphlops grandidieri)