• Arinolus apachellus Chamberlin, 1941
• Arinolus chiricahuanus Chamberlin, 1947
• Arinolus citrinus Hoffman & Orcutt, 1960
• Arinolus dentatus (Cook, 1911)
• Arinolus hopinus Chamberlin, 1941
• Arinolus hospes (Cook, 1911)
• Arinolus latus Loomis, 1953
• Arinolus nevadae Chamberlin, 1962
• Arinolus nogalanus Chamberlin, 1941
• Arinolus pimus Chamberlin, 1941
• Arinolus sequens Chamberlin, 1962
• Arinolus torynophor Chamberlin, 1940
• Atopetholus angelus Chamberlin, 1920
• Atopetholus barbaranus Chamberlin, 1949
• Atopetholus californicus Chamberlin, 1918
• Atopetholus carmelitus Chamberlin, 1940
• Atopetholus fraternus Chamberlin, 1918
• Atopetholus michelbacheri (Verhoeff, 1938)
• Atopetholus pearcei Chamberlin, 1950
• Centrelus boreus (Loomis, 1966)
• Centrelus falcatus Cook, 1911
• Centrelus heteropygus (DeSaussure & Humbert, 1869)
• Centrelus neglectus (Carl, 1919)
• Centrelus nietanus (DeSaussure, 1860)
• Centrelus nigrescens (Chamberlin, 1923)
• Centrelus spinosus (Loomis, 1968)
• Centrelus vulvanus (Karsch, 1881)
• Centrelus zacatecus (Chamberlin, 1947)
• Comanchelus camporum Loomis, 1968
• Comanchelus chihuanus (Chamberlin, 1947)
• Comanchelus hubrichti Hoffman & Orcutt, 1960
• Comanchelus lobatus Loomis, 1968
• Cyclothyrophorus salvini Pocock, 1908
• Eurelus soleatus Cook, 1911
• Mannobolus peninsularis Loomis, 1968
• Onychelus obustus Cook, 1904
• Piedolus utus Chamberlin, 1930
• Scobinomus serratus Loomis, 1953
• Tarascolus bolivari Chamberlin, 1943
• Tarascolus clarus Chamberlin, 1943
• Tarascolus reflexus Loomis, 1976
• Tidolus parvus Chamberlin, 1918
• Toltecolus fluvialis (Loomis, 1968)
• Toltecolus kerrensis (Chamberlin & Mulaik, 1941)
• Uvaldia intersecta Loomis, 1968
• Watichelus cooki Loomis, 1949
• Watichelus edentatus Loomis, 1949
• Watichelus emarginatus Loomis, 1949
• Watichelus parallelus Loomis, 1949
• Watichelus robustus Loomis, 1949
• Watichelus smithi (Chamberlin, 1947)