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In general Machairodus was similar in size to a modern lion or tiger
have been found in the Sterkfontein area
Our research team has discovered several dozen pieces of an Ankylosaurus
Class: Sauropsida
The skull was nearly 3 feet long and filled with dozens of serrated razor sharp teeth
Aragonite Crystals Ankylosaurus In general Machairodus was similarNOTE THAT YOU WILL RECEIVE A SPECIMEN OF EQUAL OR BETTER QUALITY THAN THE ONE SHOWN Aragonite is a carbonate mineral, one of the two common, naturally occurring polymorphs of calcium carbonate, CaCO3. The other polymorph is the mineral calcite. Aragonite's crystal lattice differs from that of calcite, resulting in a different crystal shape, an orthorhombic system with acicular crystals. Repeated twinning results in pseudo hexagonal forms. Aragonite