Opilioacarus

Opilioacarus is a genus of opilioacarid mites native to the Mediterranean region. The following species are recognised: The following species have been transferred elsewhere:
 * Opilioacarus baeticus Moraza et al. 2022, Iberian Peninsula
 * Opilioacarus brignolii Araújo & di Palma, 2018, Southern Italy, Sardinia
 * Opilioacarus italicus (With, 1904) Sicily
 * Opilioacarus segmentatus With, 1902 Greece, Algeria, Uzbekistan? (possibly in need of splitting )
 * Opilioacarus aenigmus Dunlop et al. 2004 Baltic amber, Eocene
 * ?Opilioacarus groehni Dunlop & Bernardi, 2014 Burmese amber, Myanmar, Late Cretaceous (Cenomanian) (tentatively placed in this genus)
 * Opilioacarus bajacalifornicus Vázquez & Klompen, 2002
 * Opilioacarus nicaraguensis Vázquez & Klompen, 2002
 * Opilioacarus nohbecanus Vázquez & Klompen, 2002
 * Opilioacarus ojastii (Lehtinen, 1980)
 * Opilioacarus orghidani Juvara-Bals & Baltac, 1977
 * Opilioacarus platensis Silvestri, 1905
 * Opilioacarus siankaanensis Vázquez & Klompen, 2002
 * Opilioacarus texanus (Chamberlin & Mulaik, 1942)
 * Opilioacarus vanderhammeni Juvara-Bals & Baltac, 1977