Purpled-spined Sea Urchin
Arbacia punctulata
Arbacia punctulata
Asterias rubens
Mellita tenuis
Ophioderma cinerea
Comanthus parvicirrus
Holothuria princeps
Tectosilicate Mineral Microcline
Sedimentary Rock Banded Iron
Oxide Mineral Franklinite
Igneous Rock Graphic Granite
Nesosilicate Mineral Andradite
Carbonate Mineral Calcite