"VWR"

Green shale which contains approximately 85% Illite. Impurities may include other clay minerals, such as micas and feldspars.

Marine, Macroalga, Multicellular; membranous thallus. Collected. Characterized by green plastids and cell walls composed of cellulose.

Freshwater. Filamentous. Basic culture solution.

Characterized by reddish plastids (rhodoplasts).

Marine. Filamentous; polysiphonious construction. Collected.

Characterized by reddish plastids (rhodoplasts).

Isolated from human urinary tract and wound infections, this organism is identifiable by its characteristic putrefactive odor. 

Choice intergrown crystal groups, many with striated pyritohedral crystal faces. Perfect for classroom study. Average size: 1" x 1". Peru.

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.

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.

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.