👉 Anthocerotopsida is a group of protozoa, which are microscopic, single-celled creatures that can be found in freshwater environments. They play an essential role in aquatic ecosystems, as they serve as primary producers and play a crucial role in nutrient cycling through the water column. Anthocerotopsida includes a wide variety of species, ranging from simple amoebae to complex protozoa with multiple cell types.