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Highly detailed and durable.

This unmounted skull of the common North American Didelphis virginiana shows the extra teeth, which is a characteristic of marsupials.

Natural Bone.

A specimen of a common nonvenomous genus such as Thamnophis, this large, unmounted snake skull is ideal for up-close examination; its hinged jaws can be used to demonstrate how snakes swallow large prey.

The unmounted bovine skull makes an ideal companion piece to our complete cow skeleton, allowing a detailed study of its features, such as the mature dentition. It comes with a key identifying 23 structures.

Sus scrofa, the domestic pig, is an ideal representative of the pig family, Suidae. The skull is unmounted for closer examination.

The impressive, unmounted skull of castor canadiensis, the largest North American rodent, shows the enlarged incisors that enable the beaver to fell trees.

High quality natural bone.

Compare this skull of an adult domestic duck, family Anatidae, to other domestic fowl.

Cow longitudinal secton of bone.