Filoviridae

noun plural

Fi·​lo·​vi·​ri·​dae ˌfī-lō-ˈvir-ə-ˌdē 

: a family of single-stranded RNA viruses that infect vertebrates, that have a pleomorphic usually bacilliform or filamentous shape with a helical nucleocapsid and a lipoprotein envelope with glycoprotein projections, and that include the Ebola viruses and the Marburg virus