Genus Ontherus Erichson, 1847

Ontherus Erichson, 1847a: 107 (original description). Type species: Scarabaeus sulcator Fabricius, 1775, by subsequent designation of Lacordaire (1855: 98, footnote 1), not Luederwaldt (1931a) as stated by Génier (1996).

Ontherus – Lacordaire 1855: 98 (type species designation, redescription). — Harold 1869d: 1008 (catalogue). — Burmeister 1874: 126 (redescription). — Bruch 1911: 186 (list for Argentina). — Gillet 1911b: 57 (catalogue). — Lucas 1920: 459 (catalogue, distribution). — Luederwaldt 1929: 10 (key); 1931a: 364, 368 (redescription, key). — Paulian 1938: 233 (key). — Pessôa & Lane 1941: 437, 454 (key, redescription). — Blackwelder 1944: 206 (list). — Pereira 1954a: 57 (key). — Roze 1955: 44 (checklist for Venezuela). — Martínez 1959: 69 (catalogue for Argentina). — Halffter & Matthews 1966: 257 (catalogue, distribution). — Vulcano & Pereira 1967: 577 (key for the Amazon). — Howden & Young 1981: 12, 121 (key, diagnosis). — Halffter & Edmonds 1982: 137 (catalogue, distribution). — Génier 1996: 22 (revision). — Medina & Lopera-Toro 2000: 306 (key). — Vaz-de-Mello 2000: 194 (checklist for Brazil). — Medina et al. 2001: 138 (checklist for Colombia). — Ratcliffe et al. 2002: 49 (key). — Ratcliffe 2002: 16 (checklist for Panama). — Kohlmann 2003: 55 (list for Mexico). — Hamel-Leigue et al. 2006: 16 (list for Bolivia). — Vaz-de-Mello et al. 2011a: 27 (key). — Carvajal et al. 2011: 130, 318 (diagnosis, cited for Ecuador). — Krajcik 2012: 174 (list). — Solís & Kohlmann 2012: 6 (checklist for Costa Rica). — Chamorro et al. 2018: 77, 96 (list for Ecuador); 2019: 165 (catalogue). — Hielkema & Hielkema 2019: 56 (catalogue for the Guianas).