Dictionary of Human Evolution and Biology

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Palaechthon Gidley, 1923

Archaic mammal known from the middle to late Paleocene of North America belonging to the Plesiadapiformes family Palaechthonidae; three or four species. Dental formula: 2.1.2.3/2.1.2.3; reduced canines; may have been omnivorous. Body mass of the species ranges between 60 and 150 g. Large infraorbital foramen indicates possession of vibrissae; features of the cranium reveal laterally placed eyes and poorly developed stereoscopic vision, if at all.

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