Evolution of Viruses - Zhdanov V. M. 1990Preface General Section The Nature and Origin of Viruses Main Directions of Biosphere Evolution Virus Classification Special Section Prions Viroids Plasmids RNA-Containing Isometric Viruses RNA-Containing Rod-Shaped and Filamentous Viruses Picornaviruses Caliciviruses Flaviviruses Togaviruses Coronaviruses Rhabdoviruses Paramyxoviruses Influenza Viruses Bunyaviruses Arenaviruses Reoviruses and Related Virus Groups Retroviruses Phages and Other Single-Stranded DNA Viruses Parvoviruses Papovaviruses Adenoviruses Iridoviruses Polydnaviruses Tailed Phages Hepadnaviruses Baculoviruses Herpesviruses Poxviruses Conclusion References