Astarte sp. (specimen 06)

Astarte clam (Astarte sp.) from the Devonian period

Glycymeris sp. (specimen 05)

Bittersweet clam shell (Glycymeris sp.) from the Pliocene epoch

Carditamera arata (specimen 04)

Marine clam shell (C. arata) from the Pliocene epoch

Exogyra ponderosa (specimen 03)

Extinct honeycomb oyster shell (E. ponderosa) from the late Cretaceous period

Cerastoderma sp. (specimen 02)

Cockle shell (Cerastodermata sp.) from the Miocene epoch

Teredo sp. (specimen 01)

Shipworm burrows (Teredo sp.) in petrified wood