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Bony fish first evolved during the Paleozoic era, over 400 million years ago. This fossil replica represents a mold of a ray-finned fish that died and was buried in the ocean.

Explore the diversity of lichens with this collection of nine specimens showing the three most common forms of lichen growth.

All specimens listed below are included in individual jars with each set. Guide included with each set.

Formaldehyde-free pig hearts, available in vacuum packs.

An excellent specimen used to demonstrate the insect body structure.

1 pound of black sand packaged in a heat-sealed bag.

Economical starter pack of meteorites and impactities.

You can own one of the oldest and rarest meteorites of lunar origin.

This economic collectors' set features eight different genuine meteorites and impactities.

This economic collectors set features 12 different genuine meteorites and impactities.

A genuine 70 million year old dinosaur egg shell and a 150 million year old dinosaur bone fossil.

A genuine stone chondrite meteorite and a 150 million year old Sauropod bone fossil.