The monograph summarizes original and literature data on amanital fungi of Ukraine. Information on morphology, anatomy, development cycle, family ties, ecological and biological features, macrochemical reactions of carpophores and microstructures, taxonomy of amanital fungi is given. Criteria of species are considered and new ones are proposed. The latest information about the poisons of amanital mushrooms, about the importance of mushrooms of this order in nature and the national economy is given. Keys are given to identify families, genera, intrapartum taxa and species of amanital fungi. For each taxon, synonymy, iconography, original description, ecology, distribution in geobotanical zones of Ukraine, general distribution, critical notes are given.