Claim: Escherichia virus T4 is a species of bacteriophages and a double-stranded DNA virus in the Myoviridae family, within the Caudovirales order, all under the Duplodnaviria realm.
Evidence: Escherichia virus T4 is a species of bacteriophages that infect Escherichia coli bacteria. It is a double-stranded DNA virus in the subfamily Tevenvirinae from the family Myoviridae. Family: Myoviridae Order: Caudovirales Realm: Duplodnaviria