Paleolimulus signatus Horseshoe crab 3D Model almost 4 years 66 Dipleura dekayi Trilobite 3D Model almost 4 years 44 Ocytode quadrata Crustacean 3D Model almost 4 years 45 Calymene celebra Trilobite 3D Model almost 4 years 53 Belotelson magister Crustacean 3D Model almost 4 years 48 Flexicalymene meeki Trilobite 3D Model almost 4 years 75 Isotelus Trilobite 3D Model almost 4 years 50 Aeger tipularius Crustacean 3D Model almost 4 years 62 Carcinoscorpius rotundicauda Horseshoe crab 3D Model almost 4 years 73 Hepatus epheliticus Arthropod 3D Model almost 4 years 88 Dolichopterus macrocheirus Eurypterid 3D Model almost 4 years 62 Limulus Horseshoe Crab 3D Model almost 4 years 132 Calappa flammea 3D Model almost 4 years 65 Paradoxides spinosus Trilobite 3D Model almost 4 years 49 Etoblattina 3D Model almost 4 years 50 Pterygotus Eurypterid 3D Model almost 4 years 45 Flexicalymene meeki 3D Model almost 4 years 59 Eldregeops rana Trilobite 3D Model almost 4 years 49 Conocoryphe sulzeri Trilobite 3D Model almost 4 years 39 Dalmanites Trilobite 3D Model almost 4 years 34 Concavus concavus Barnacles 3D Model almost 4 years 54 Elrathia kingii Trilobite 3D Model almost 4 years 35 Asaphus intermedius Trilobite 3D Model almost 4 years 31 Ostracods Crustaceans 3D Model almost 4 years 38 Mesolimulus walchi Horseshoe crab 3D Model almost 4 years 45 Chesaconcavus Crustacea 3D Model almost 4 years 49 Wanneria walcottana Trilobite 3D Model almost 4 years 30 Homotelus bromidensis Trilobites 3D Model almost 4 years 46 Isotelus gigas 3D Model almost 4 years 32 Barnacles 3D Model almost 4 years 64 Promylacris ovalis 3D Model almost 4 years 46 Eldredgeops rana Trilobite 3D Model almost 4 years 49 Angelina sedgwickii Trilobite 3D Model almost 4 years 51 Triarthrus eatoni Trilobite 3D Model almost 4 years 42 Limulus polyphemus Horseshoe crab 3D Model almost 4 years 111 Echinocaris punctata Crustacean 3D Model almost 4 years 50 Eldredgeops rana Trilobite 3D Model almost 4 years 46 Eldredgeops rana Trilobite 3D Model almost 4 years 42 Eldredgeops crassituberculata Trilobite 3D Model almost 4 years 53 Eldredgeops crassituberculata Trilobite 3D Model almost 4 years 37