"Specimens"

Riker mount of commerical grains for display.

Riker mount of leaf venation comparison for display.

Field-collected material; species not identified.

Cladonia or reindeer moss. Field-collected material.

On bark. Field-collected material; species not identified.

Prepared reproductive tissues from Xenopus laevis. Products offered include ovaries, testes, and oocytes. 

The cycles of rock formation, beautifully simplified!

A great introduction to volcanology.

Riker mount of hybird crosses for display.

Riker mount of dihybird crosses for display.

Well preserved sawfish tooth from the Cretaceous Period.

Solitary scleractinian coral with a prominent grooved mouth region.

Riker mount of egg replicas for display.

Well preserved complete fish in matrix.

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.