Balanocidaris marginata Echinoid 3D Model almost 4 years 93 Clypeaster cortesei Echinoid 3D Model almost 4 years 41 Heterocentrotus mamillatus Echinoid 3D Model almost 4 years 86 Echinoid 3D Model almost 4 years 78 Schizaster Echinoid 3D Model almost 4 years 48 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 Echinocardium orthonotum Echinoid 3D Model almost 4 years 43 Phymosoma texanum Echinoid 3D Model almost 4 years 38 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