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The monkey lemurs [3] or baboon lemurs [4] (Archaeolemuridae) are a recently extinct family of lemurs known from skeletal remains from sites on Madagascar dated to 1000 to 3000 years ago. [ 4 ] The monkey lemur family is divided into two genera, Hadropithecus and Archaeolemur , and three species.
Archaeolemur is an extinct genus of subfossil lemurs known from the Quaternary of Madagascar. [3] Archaeolemur is one of the most common and well-known of the extinct giant lemurs as hundreds of its bones have been discovered in fossil deposits across the island.
The famous dodo (Raphus cucullatus), last seen in 1662, was endemic to Mauritius. [3] All 17 extinct lemurs were giant lemurs larger than the extant lemurs. The subfossil remains of certain avian orders are scarce on Réunion. Consequently, a few of the extinct birds from Réunion are hypothetical species. They almost certainly existed but lack ...
The lemur dentition is heterodont (having multiple tooth morphologies) and derives from an ancestral primate permanent dentition of 2.1.3.3 2.1.3.3. Indriids, sportive lemurs, the aye-aye, and the extinct sloth lemurs, monkey lemurs, and koala lemurs have reduced dentitions, having lost incisors, canines, or premolars. [73]
Hadropithecus is a medium-sized, extinct genus of lemur, or strepsirrhine primate, from Madagascar that includes a single species, Hadropithecus stenognathus.Due to its rarity and lack of sufficient skeletal remains, it is one of the least understood of the extinct lemurs.
The common brown lemur (Eulemur fulvus) can swallow seeds 20 mm (0.79 in) in diameter, while the black-and-white ruffed lemur (Varecia variegata) is capable of swallowing seeds up to 30 mm (1.2 in) in diameter. A large lemur, such as Pachylemur, which was more than twice the size of today's ruffed lemurs, could probably swallow even larger seeds.
Archaeoindris fontoynontii is an extinct giant lemur and the largest primate known to have evolved on Madagascar, comparable in size to a male gorilla.It belonged to a family of extinct lemurs known as "sloth lemurs" (Palaeopropithecidae) and, because of its extremely large size, it has been compared to the ground sloths that once roamed North and South America.
The order Primates consists of 505 extant species belonging to 81 genera. This does not include hybrid species or extinct prehistoric species. Modern molecular studies indicate that the 81 genera can be grouped into 16 families; these families are divided between two named suborders and are grouped in those suborders into named clades, and some of these families are subdivided into named ...