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3 meters (12 inches)
Family: Araucariaceae
First discovered by anthropologist Mary Leakey on July 17
which is about 56 to 92 cm (22 to 36 in) long
Acanthocrinus rex, crinoid Compsognathus 3 meters (12 inches)Crinoids are assigned to the phylum Echinodermata, a group of radially symmetrical marine animals, such as the starfish, sea urchins, and brittle stars. Crinoids are commonly referred to as "sea lilies". These flower like marine invertebrate animals are beautifully colored and live as solitary individuals. This species is characterized by a globular body enclosed by a small calyx, from which freely moving arms extended upward to gather food. At the