Pentacrinus subangularis, giant crinoid Gallimimus about 83 to 65 million

about 83 to 65 million years ago

and even some skin impressions that show it to have had pyramidal scales pointing out along the midline of the back

Lambeosaurus' nostrils went up through the crest

Chasmosaur tibia & fibula

Pentacrinus subangularis, giant crinoid Gallimimus about 83 to 65 millionCrinoids 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