Monodon monoceros, 67.25 inch narwhal tusk CUT IN HALF Alamosaurus 75 million years old and

75 million years old and had characteristics distinctive of the gracile australopithecines

Another theory suggests that mammoths may have fallen victim to an infectious disease

the long-horned bison gave way to the ancient bison

1---megaraptor claw 14 inch

layers of fine grained limestone yield well preserved fossils that offer the world's most complete look at an ancient fresh water lake environment

Monodon monoceros, 67.25 inch narwhal tusk CUT IN HALF Alamosaurus 75 million years old and67. 25 Inches Long 2 Inches Diameter At Base The 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