A family of lipid-containing bacteriophages with double capsids which infect both gram-negative and gram-positive bacteria. It has one genus, tectivirus. ... (12 Dec 1998) ... 
Type: Term Pronunciation: tek′ti-vir′i-dē Definitions: 1. A name for a family of icosahedral nonenveloped double-stranded DNA bacteriophages that have double capsids.