Dictionary of Human Evolution and Biology

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Propithecus Bennett, 1832

Prosimian genus to which the sifakas belong; two or three species, depending on authority. Found only on Madagascar in either evergreen or deciduous forest. Arboreal; diurnal; vertical clinging and leaping locomotion; hinds limbs longer than forelimbs; on the ground employ bipedal saltation; on terminal tree branches these animals use a variety of suspensory postures. Body masses range from 4 to 7 kg. Dental formula equivocal: number and type of teeth have been interpreted as 2.1.2.3/2.0.2.3 by some and 2.1.2.3/1.1.2.3 by others; possess dental comb consisting of four teeth; frugivorous. Live in mixed sex groups of between 3 and 12 individuals.

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