Model A. Boiseioh5(Zinjanthropus)Cranium, 1.8 MYA, most famous fossil from Olduvai Gorge, Tanzania. OH5 was discovered by Mary Leakey in 1959. The accepted genus name has since changed to Australopithecus, Size: 19.5L x 16.1W X 17.2H (cm)
Model H.Heidelberg Atapuerca 5 Skull, 350,000-500,000 YA, was discovered in Spain in 1992 by Juan-Luis Arsuaga, in the caves of Sima de los Huesos (Bone Pit), Size: 20.7L x 13.6W x 18.7H (cm)
Model A. Robustus Sk-48 Skull, 1.5-2 MYA, was discovered by Fourie in South Africa in 1950. SK-48, formerly Paranthropus crassidens, greatly increased what is known about australopithecines, Size: 16.9L x 14.7W x 15.5H (cm)
Model A. Boisei Oh5(Zinjanthropus) Skull, 1.8 MYA, most famous fossil from Olduvai Gorge, Tanzania. OH5 was discovered by Mary Leakey in 1959. The accepted genus name has since changed to Australopithecus, Size: 21L x 16W x 18.9H (cm)
Model H.Neanderthal Skull La Ferrassie 1, 50,000 YA, was discovered in France in 1909. La Ferrassie is considered to be a classic Neanderthal with features that best represent the species, Size: 23L x 15.1W x 18.5H (cm)
Model H. Ergaster Knm-Er 3733 Cranium, 1.75 MYA, with dentition was discovered by B. Ngeneo in 1975 in Koobi Fora, Kenya. Several teeth are intact, but no mandible was ever found, Size: 19.1L x 13W x 13.5H (cm)