dsDNA SSDNA 念 Maior Myoviridae, isometric head Bacteriophage Inoviridae Families and Myoviridae, elongated head enera Siphoviridae 和 Podoviridae The Myoviridae are Lipothrixvinidae SNDv-like viruse the only family with Inoviridae contractile tails lasmaviridae Corticoviridae Plasmaviridae are pleomorphiC Fusellovinidae Tectiviridae have RL rudiviridae distinctive double dsRNA SSRNA capsids whereas the corticoviridae have Cystoviridae Levivinidae complex capsids 100nm containing lipidMajor Bacteriaophage Families and Genera. The Myoviridae are the only family with contractile tails. Plasmaviridae are pleomorphic. Tectiviridae have distinctive double capsids, whereas the corticoviridae have complex capsids containing lipid