4.8" Ascocystitis Crinoid Stems Echinoderm Fossil Morality Plate Ordovician Age Stand Crocodile refined from the problematic Leidysuchus

refined from the problematic Leidysuchus classification that had long served as a taxonomic catch-all

The combination of crocodile-like and dinosaur-like anatomical features reflects its early evolutionary position among archosaurs

acutidentatus

Location: Judith River Formation

4.8" Ascocystitis Crinoid Stems Echinoderm Fossil Morality Plate Ordovician Age Stand Crocodile refined from the problematic LeidysuchusLocation: El Kaid Errami, Morocco Weight: 7. 3 Ounces Dimensions: 4. 8 Inches Long, 3. 3 Inches Wide, 0. 6 Inches Thick (Plate) Ordovician Age, 444 Million Years Comes with a free stand. The Item Pictured is the one you will receive. Ascocystitis Crinoid Crinoids are commonly known as sea lilies, though they are animals, not plants. Crinoids are echinoderms related to starfish, sea urchins, and brittle stars. Most of the Paleozoic crinoid species