Virginia Opossum

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The Virginia opossum has a relatively small brain case, and the corpus callosum is absent in this species.

The Virginia opossum has a relatively small brain case, and the corpus callosum is absent in this species. The average length of an adult opossum’s skull is 11 centimeters.

The adult dental formula of the Virginia opossum is i 5/4, c 1/1, p 3/3, m 4/4, with 50 teeth in total.

Virginia opossum vertebral numbers remain fixed throughout growth and maturation: 7 cervical, 13 thoracic, 6 lumbar, 2 sacral, and 26 to 29 caudal.

Sources: (McManus, 1974; Wilemon, 2008)
Image: Katie Collins

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