Steller's Sea Cow Hydrodamalias Gigas Skull

Caluromys sp., The woolly opossum, smaller than its North American relative, is an arboreal species dwelling in forests throughout Central and South America. They are omnivorous and will eat fruits, berries, insects, small vertebrates and carrion. This solitary species makes its home in hollowed trees and is said to use its prehensile tail to carry foliage for bedding. Once heavily trapped for its fur, the woolly possum is now of little economic importance. *

Specifications: CLASS: Mammalia ORDER: Marsupialia: Didelphimorphia FAMILY: Didelphidae Origin: Central and South America.

*Skull Length: 5.5 cm (2.2 in)

Thylacinus cynocephalus., Now extinct, the Tasmanian wolf, also called the Tasmanian tiger, was once hunted as a pest throughout Tasmania and in parts of Australia. The last known wild specimen was shot in 1930. The last captive specimen died in 1936. Although the thylacine, a marsupial, is not a true wolf, it occupied much of the same predatory niche as modern wolves. When compared with the wolf, this species is an excellent example of convergent evolution. Other Names: "Tasmanian Tiger"

*Specifications: CLASS: Mammalia ORDER: Marsupialia: Dasyuromorphia FAMILY: Thylacinidae Origin: Tasmania

*Skull Length: 22 cm (8.7 in)

The first Australopithecus boisei specimen, originally named Zinjanthropus boisei, was discovered in 1959 by Mary Leaky at the Olduvai Gorge in Tanzania, Africa. A. boisei skulls have been found in Ethiopia, Tanzania, and Kenya.

* Skull Length: 22.5 cm (8.9 in)

Cro-Magnon Skull

Cro-Magnons are recognized as the earliest know race of modern humans, Homo sapiens. Generally considered the earliest European descendants, Cro-Magnons lived between 10,000 and 35,000 years ago. The first Cro-Magnon specimens were discovered in France in 1868 along with many sophisticated tools, artifacts and cave paintings. Cro-Magnons are credited with creating the first calendar nearly 34,000 years ago.

*Skull Length: 20 cm (7.9 in)

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