Echinoderm fossil 3D Model almost 2 years 1 Balanocidaris marginata Echinoid 3D Model almost 4 years 93 Echinoid Encope tamiamiensis 3D Model almost 4 years 63 Crinoid stem segments 3D Model almost 4 years 58 Actinocrinites gibsoni Crinoid 3D Model almost 4 years 83 Clypeaster cortesei Echinoid 3D Model almost 4 years 41 Echinoids Parascutella paulensis 3D Model almost 4 years 42 Eucalyptocrinus Crinoid 3D Model almost 4 years 36 Heterocentrotus mamillatus Echinoid 3D Model almost 4 years 86 Eucalyptocrinites caelatus Crinoid 3D Model almost 4 years 48 Echinoid 3D Model almost 4 years 78 Schizaster Echinoid 3D Model almost 4 years 48 Sand dollar conglomerate 3D Model almost 4 years 39 Hemipneustes striatoradiatus Echinoid 3D Model almost 4 years 34 Archaeocidaris immanis Echinoid 3D Model almost 4 years 48 Stereocidaris hudspethensis Echinoid 3D Model almost 4 years 40 Eupatagus antillarum Echinoid 3D Model almost 4 years 37 Conulus albogalerus Echinoid 3D Model almost 4 years 58 Daedalocrinus Crinoid 3D Model almost 4 years 43 Melocrinus williamsi Crinoid 3D Model almost 4 years 51 Agaricocrinus americanus Crinoid 3D Model almost 4 years 50 Platyceras Gastropod on Crinoid 3D Model almost 4 years 35 Echinocardium orthonotum Echinoid 3D Model almost 4 years 43 Phymosoma texanum Echinoid 3D Model almost 4 years 38 Crinoid stem segments 3D Model almost 4 years 53 Clypeaster reticulatus Echinoid 3D Model almost 4 years 39 Eucidaris tribuloides Echinoid 3D Model almost 4 years 101 Phymosoma texanum Echinoid 3D Model almost 4 years 53