Four different types of freshwater mussels on a black background

Brown elaterid beetle perched atop a piece of paper

Black and white silhouette of a man&#39;s head on a piece of paper

Close up of a brown and cream colored nerita shell on a black background

Small shell in a white box on a table

Small insect sitting on top of a white surface

Trilobite fossil on a black background with a ruler next to it

Close up of a pharaoh ant on a piece of paper

Old black and white photo of a man in uniform standing on the floor…