Centris pallida Fox, 1899:63 (key),66, ♀. 5 ♀♀, Arizona: Phoenix, May, 1898 (leg. Dr. H. G. Griffith). - Cockerell, 1906Cockerell, T.D.A. 1906. The North American bees of the family Anthophoridae. Transactions of the American Entomological Society 32 (1):63-116. (distribution); Lutz & Cockerell, 1920Lutz, F.E. & T.D.A. Cockerell 1920. Notes on the distribution and bibliography of North American bees of the families, Apidae, Meliponidae, Bombidae, Euglossidae, and Anthophoridae. Bull. Amer. Mus. Nat. Hist 42 (15):491-641. (distribution); Cockerell, 1937Cockerell, T.D.A. 1937. Bees collected in Arizona and California in the spring of 1937. American Museum Novitates 948:1-15. (distribution); Timberlake, 1940Timberlake, P.H. 1940. The genus Centris in California (Hymenoptera, Apoidea). The Pan-Pacific Entomologist 16 (3):138-141. (distribution); Snelling, 1966Snelling, R.R. 1966. The taxonomy and nomenclature of some North American bees of the genus Centris with descriptions of new species (Hymenoptera: Anthophoridae). Contributions in Science, Natural History Museum Los Angeles County 112:1-33. (distribution); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (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).
Centris pallida callognatha Cockerell, 1923:78, ♀. Holotype ♀, Guaymas, Sonora, Mexico, April 11, 1921 (Mus. Calif. Acad. Sci., No. 934, leg. F.P. Van Duzee); 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.:33, Holotype ♀ (CAS, No. 934). - Snelling, 1966Snelling, R.R. 1966. The taxonomy and nomenclature of some North American bees of the genus Centris with descriptions of new species (Hymenoptera: Anthophoridae). Contributions in Science, Natural History Museum Los Angeles County 112:1-33.:5 ( listed as synonym of Centris pallida Fox, 1899); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:2173 ( listed as synonym of Centris pallida Fox, 1899); 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.:32 ( listed as synonym of Centris pallida Fox, 1899).
Centris trichosoma Cockerell, 1923:78, ♂. Holotype ♂, Angeles Bay, Lower California (Mus. Calif. Acad. Sci., No. 936, leg. F.P. Van Duzee). - Cockerell, 1924Cockerell, T.D.A. 1924. Anthophorid bees in the collection of the California Academy of Sciences. The Pan-Pacific Entomologist 1 (2):49-56. (distribution); Snelling, 1966Snelling, R.R. 1966. The taxonomy and nomenclature of some North American bees of the genus Centris with descriptions of new species (Hymenoptera: Anthophoridae). Contributions in Science, Natural History Museum Los Angeles County 112:1-33.:5 ( listed as synonym of Centris pallida Fox, 1899); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:2173 ( listed as synonym of Centris pallida Fox, 1899); 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), 35 ( listed as synonym of Centris pallida Fox, 1899).