Centris atripes ferrisi Cockerell, 1925:49, ♀. ♀, La Paz, Lower California, June 29, 1919 (Mus. Calif. Acad. Sci., leg. G.F. Ferris); Snelling, 1984Snelling, R.R. 1984. Studies on the taxonomy and distribution of American Centridine bees (Hymenoptera: Anthophoridae). Contributions in Science, Natural History Museum Los Angeles County 347:1-69.:8, Types (CAS); Vivallo, 2020Vivallo, F. 2020. The bees of the genus Centris Fabricius, 1804 described by Theodore Dru Alison Cockerell (Hymenoptera: Apidae). European Journal of Taxonomy 618:1-47.:30, Holotype ♂ (NMNH, No 2729). - As Centris ferrisi: - Snelling, 1984Snelling, R.R. 1984. Studies on the taxonomy and distribution of American Centridine bees (Hymenoptera: Anthophoridae). Contributions in Science, Natural History Museum Los Angeles County 347:1-69. (distribution); Vivallo, 2020Vivallo, F. 2020. The bees of the genus Centris Fabricius, 1804 described by Theodore Dru Alison Cockerell (Hymenoptera: Apidae). European Journal of Taxonomy 618:1-47. (distribution); Esperanza de Pedro, 2021Esperanza de Pedro, D. 2021. . :. (distribution); Nava-Bolaños & Osorio-Olvera, 2022Nava-Bolaños, A. & L. Osorio-Olvera 2022. Estado del arte del conocimiento de biodiversidad de los polinizadores de México. Revista Mexicana de Biodiversidad 93:1-77. (distribution).