In Victorian England, a very curious art form flourished: making intricate patterns from the microalgae known as diatoms, single-celled organisms that range from five microns (or .005 millimeters) to ...

Diploneis is a large taxon of diatom with as many as 550 species. Among diatoms, it has perhaps the most complex heavily silicified valve structure. The fossilized remains of these unique algal ...

During this time, collection visits will be available by appointment and other special access requests will be considered on a case-by-case basis. Please email cumuseum@colorado.edu for more ...