Part I DIVERSITY, BIOLOGY, AND ECOLOGY.- 1 Protistan Diversity in Environmental Molecular Surveys.- 2 Unusual Features of Dinokaryon, the Enigmatic Nucleus of Dinoflagellates.- 3 Diversity of Microbial Eukaryotes in Deep Sea Chemosynthetic Ecosystems Illuminated by Molecular Techniques.- 4 Biology, Diversity and Ecology of Free-Living Heterotrophic Flagellates.- 5 Basal Lineages of Green Algae - Their Diversity and Phylogeny.- 6 Typical Features of Genomes in the Mamiellophyceae.- 7 Planktic Foraminifera.- 8 Biology and Ecology of Radiolaria.- 9 Phaeodaria: Diverse Marine Cercozoans of World-Wide Distribution.- 10 Ecology and Evolution of Marine Diatoms and Parmales.- 11 Planktonic Ciliates: Diverse Ecological Function in Seawater.- 12 Biology and Paleontology of Coccolithophores (Haptophytes).- 13 Diversity and Ecology of Thraustochytrid Protists in the Marine Environment.- 14 Ecology and Distribution of Protists in Brackish Water Lakes.- 15 Oldest Fossil Records of Marine Protists and the Geologic History Toward the Establishment of the Modern-Type Marine Protist World.- Part II SYMBIOSIS.- 16 Diversity and Phylogeny of Marine Parasitic Dinoflagellates.- 17 Biology of Symbiotic Dinoflagellates (Symbiodinium)in Corals.- 18 Biology of Symbiotic Apostome Ciliates: Their Diversity and Importance in the Aquatic Ecosystems.- 19 Photosymbiosis in Marine Planktonic Protists.- 20 Marine Protist Viruses.- 21 Biology of Parasitic Heterotrophic Nanoflagellates: Parasitoids of Diatoms.- Part III INTERACTIONS BETWEEN MARINE PROTISTS AND HUMANS.- 22 Fish and Shellfish Diseases Caused by Marine Protists.- 23 Taxonomy and Distribution of the Unarmored Dinoflagellates Cochlodinium polykrikoides and C. fulvescens.- 24 Paralytic Shellfish Poison (PSP)-Producing Dinoflagellate and PSP-Infested Organisms.- 25 Interactions Between Harmful Algae and Algicidal and Growth-Inhibiting Bacteria Associated with Seaweeds and Seagrasses.- 26 Relationships Between Aquatic Protists and Humans.