"Avantor"

Camerate crinoid crown and stem.

Complete, including elongated fingers used to support the wing membrane. Resin. Germany.

This remarkable resin cast features one of the most complete examples of a near contemporary of Archaeopteryx. Recently found in Liaoning Province in China, this fossil bird displays the earliest evidence of truly beaked birds with clear body contour feathers.

Replica of the famous “chicken–size” dinosaur skeleton.

Students determine a mineral's hardness between five and 10 on Mohs' scale.

Excellent complete skeletal replica of this rare Chinese fossil placodont, a primitive sauropterygian reptile. China.

Wonderfully detailed, hand-painted, skeletal replica of a primitive Triassic nothosaur, a synaptosaurian aquatic reptile of uncertain ancestry. Resin. China.

Early fossil of a frond-like organism.

Large, complete, display-quality trilobite.

This giant among trilobites comes in at nearly a foot in length. Beautifully prepared, on an 11 ³/₄×7" base. Resin. Tennessee.

A spectacular, museum-quality example of the official Ohio state fossil, it is complete, down to the genal spines. It measures 9" in length on an 11³/₄"×10¹/₂" matrix. Resin. Ohio.

Large, complete Middle Cambrian trilobite, with long genal spines. It measures 7¹/₂" in length on an 8¹/₄×10¹/₂" matrix. Resin. Newfoundland.

Dramatically preserved assemblage of 24 complete trilobites showing exceptional detail on a 13×15" matrix. Ohio.

A rare and finely-detailed example of a Permian rhachitomous amphibian with well-defined skull bones and appendages. Germany.

A beautiful composite specimen of three well-preserved examples of the small pachyleurosaur reptile showing excellent skeletal definition. On a 8"×6³/₄" matrix. China.

This complete skeleton is an example of a primitive synaptosaurian reptile group known as nothosaurs. It measures 9¹/₂" in length on an 11³/₄×6¹/₄" matrix. Resin. Switzerland.