Cuevavirus is a genus in the family
Filoviridae, which is included in the order Mononegavirales, that has one species,
Lloviu cuevavirus (LLOV). LLOV is a distant relative of the more widely known
Ebola and
Marburg viruses. Members of the genus are referred to as cuevaviruses.
Cueva is derived from the
Spanish word for
cave.