Invertebrata, Elementary Set. - 25 Microscope Slides - The most important representatives of Protozoa, Sponges, Coelenterata, Vermes , Arthropoda, Insecta, Mollusca, Echinodermata, Acrania. 1. Amoeba proteus, w.m. 2. Euglena, a common flagellate with 1 * 25 items