Monodon monoceros, narwhal tusk T-Rex in what has been designated

in what has been designated the Cradle of Humankind World Heritage Site

as well as Rajastan in India

This is a brain endocast of a Snapping turtle

Anatomy: Eremotherium had peg-like teeth

Males may have had larger crests than females

Monodon monoceros, narwhal tusk T-Rex in what has been designatedThe narwhal, or narwhale (Monodon monoceros), is a medium sized toothed whale and possesses a large "tusk" from a protruding canine tooth. It lives year round in the Arctic waters around Greenland, Canada, and Russia. It is one of two living species of whale in the Monodontidae family, along with the beluga whale. The narwhal males are distinguished by a long, straight, helical tusk, which is an elongated upper left canine. The narwhal was one of many