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4---pliosaur tooth---jurassic
Chasmosaur tibia & fibula
The location of the eyes and nostrils on the surface of the skull suggest that this animal may have quietly laid on the bottom of pools or rivers waiting for food to get close
about 83 to 65 million years ago
Pentacrinus subangularis, giant crinoid Gallimimus 4---pliosaur tooth---jurassicCrinoids 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
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