This collection is specifically designed to meet the needs of more advanced biology and earth science curricula. The set contains 30 carefully selected specimens that represent 6 animal phyla and various common phyla of fossilized plants. Specimens contained in this set represent prehistoric phyla from the Cambrian through the Cretaceous eras. The collection comes in a compartmentalized tray in a protective box. Study material included with set is comprised of scientific names, geologic period, locality of specimens and other miscellaneous background information.