Jimbacrinus bostocki (crinoid) Deinonychus have been found in the

have been found in the Sterkfontein area

Thomas Jefferson

gigantea lacked characteristic grooves and pits on the underlying bone

an orthorhombic system with acicular crystals

meat-eating theropod

Jimbacrinus bostocki (crinoid) Deinonychus have been found in theThis is a superb crinoid plate replica with two detailed fossil, Jimbacrinus Bostocki from the Cundlego formation Gaskoyne Junction Western Australia. Dating to the Late Artinskian of the Permian period circa 284 275 Million Years Ago. Few collectors can afford a real specimens like this because they sell for hundreds of dollars. Crinoids are assigned to the phylum Echinodermata, a group of radially symmetrical marine animals, such as the starfish,