Specimens

Our Most Comprehensive Selection of Algae and Protozoans

Formalin Preserved

Hay medium. Characterized by cilia; nearly all possess two types of nuclei.

Specially Prepared 'Real-Life' Combinations

Ward's® Live Diatom cultures

Marine. Filamentous; freely branched. Erdschreiber’s medium.

Characterized by green plastids and cell walls composed of cellulose.

Produce a Variety of Organisms Simply by Adding Water

Freshwater, Unicellular; pennate, with bilateral symmetry. Diatom or basic medium.

Characterized by shells (tests) made of silica, in two parts.

Collections of Specimens Used Most Often in Biology Classes

Paramecium caudatum is a common protist that inhabits a variety of aquatic ecosystems.