Scallop

Chesapecten

Barnacle

Balanus

Sea Urchin

Echinocardium marylandiense

Belemnite

Belemnoida

Horn Coral

Igneous Rock 'A'ā Lava

Igneous Rock 'A'ā Lava

Igneous Rock Pahoehoe Basalt

Igneous Rock Pahoehoe Basalt

Igneous Rock Obsidian

Igneous Rock Obsidian

Igneous Rock Volcanic Ash

Igneous Rock Volcanic Ash

Igneous Rock Dacite

Igneous Rock Dacite

Finger Coral

Porites porites

Arctic Cushion Star

Hippasteria phrygiana