Key features of this particular skull that indicate it’s a Virginia opossum are its size, the number and location of teeth (or in this case, the number and location of tooth sockets), and the prominent sagittal crest.

The Virginia opossum (Didelphis virginiana), also known as the North American opossum, is a member of the opossum family found from southern Canada to northern Costa Rica (making it the northernmost marsupial in the world).

2022年9月20日 · An opossum’s skull is characterized by its larger dental formula and small basicranial region. The most prominent feature of an opossum skull is the large, protruding mandible that houses 50 different teeth—a trait not found in any other mammal.

2020年8月28日 · A Virginia opossum skull which is part of the Natural History Society of Maryland’s osteology collection. Courtesy of the Natural History Society of Maryland which has given permission for the model to be downloadable for non-commercial educational purposes.

The skull of the Virginia opossum is characterized by a snout that is wider than the braincase and a pronounced sagittal crest. The dental formula for Didelphis virginiana (and all other didelphids) is i 5/4, c 1/1, p 3/3, m 4/4.

One of a group of marsupial opossum species distributed throughout the Americas. 1. Opossum skull, lateral view. 2. Upper teeth of opossum. (a) The "primitive" deciduous third premolar is replaced by a "modern" type of tooth in this species.

2014年2月14日 · The Virginia opossum has one median nipple, surrounded by twelve others, for a total of thirteen teats (The record number of teats for an animal is the tenrec, which has up to thirty nipples; the record for a human is seven .)

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.

2020年3月28日 · Virginia Opossum skull illustration. In an effort to improve my paleo-art I began examining skull detail, starting with this Virginia Opossum skull I found in my yard. Look at all those magnificent teeth. Process: Skull photographed in soft light. Used photo as reference for line drawing in Photoshop. Created tonal layers by hand in Photoshop.

The Virginia opossum is the original animal named "opossum". The word comes from Algonquian 'wapathemwa' meaning "white animal", not from Greek or Latin, so the plural is opossums. Colloquially, the Virginia opossum is frequently called simply possum.