Chelostoma californicum Cresson, 1878:108, ♂. Holotype ♂, California (leg. H. Edwards); Michener, 1938Michener, C.D. 1938. American bees of the genus Chelostoma. The Pan Pacific Entomologist 14 (1):36-45.:38, Lectotype (Academy of Natural Sciences of Philadelphia). - Cockerell, 1903Cockerell, T.D.A. 1903. A catalogue of the bees of California. Psyche 10:74-78. (distribution); Hurd & Michener, 1955Hurd, P.D. Jr. & C.D. Michener 1955. The Megachilidae bees of California (Hymenoptera: Megachilidae). Bulletin of the California insect survey 3:1-247. (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). - As Anthidium californicum: - Fox, 1893Fox, W.J. 1893. Report on some mexican Hymenoptera, principally from lower California. Proceedings of the California Academy of Sciences ser.2 (4):1-25. (distribution); Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution); Cockerell, 1899Cockerell, T.D.A. 1899. Catálogo de las Abejas de Mexico. Biblioteca Agricola de las Secretaria de Fomento, Mexico, 1-20. (distribution); Cockerell, 1904Cockerell, T.D.A. 1904. The bees of southern California. III. Bulletin of the Southern California Academy of Science 3 (4):56-60. (distribution); Swenk, 1914Swenk, M.H. 1914. Studies of North American bees. II. Family Stelididae. University Studies of the University of Nebraska 14 (1):1-36. (distribution); Cockerell, 1915Cockerell, T.D.A. 1915. Names applied to the North American bees of the genera Lithurgus, Anthidium, and allies. Proceedings of the United States National Museum 47:87-94. (distribution).
Heriades albicintum Provancher, 1895:190 - Cockerell, 1903Cockerell, T.D.A. 1903. A catalogue of the bees of California. Psyche 10:74-78. (distribution); Michener, 1938Michener, C.D. 1938. American bees of the genus Chelostoma. The Pan Pacific Entomologist 14 (1):36-45.:37 ( listed as synonym of Chelostoma californicum Cresson, 1878); Hurd & Michener, 1955Hurd, P.D. Jr. & C.D. Michener 1955. The Megachilidae bees of California (Hymenoptera: Megachilidae). Bulletin of the California insect survey 3:1-247.:27 ( listed as synonym of Chelostoma californicum Cresson, 1878); 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.:2009 ( listed as synonym of Chelostoma californicum Cresson, 1878).
Heriades odontura Cockerell, 1902:139, ♂. ♂, Near Los Angeles, Calif. (leg. Dr. A. Davidson). - Cockerell, 1903Cockerell, T.D.A. 1903. A catalogue of the bees of California. Psyche 10:74-78. (distribution); Michener, 1938Michener, C.D. 1938. American bees of the genus Chelostoma. The Pan Pacific Entomologist 14 (1):36-45.:37 ( listed as synonym of Chelostoma californicum Cresson, 1878); Hurd & Michener, 1955Hurd, P.D. Jr. & C.D. Michener 1955. The Megachilidae bees of California (Hymenoptera: Megachilidae). Bulletin of the California insect survey 3:1-247.:27 ( listed as synonym of Chelostoma californicum Cresson, 1878); 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.:2009 ( listed as synonym of Chelostoma californicum Cresson, 1878).
Robertsonella dolichosoma Cockerell, 1922:546, ♀. ♀, Mountains near Claremont, California (leg. Baker). Synonymized with Chelostoma californicum Cresson, 1878 by Michener, 1938Michener, C.D. 1938. American bees of the genus Chelostoma. The Pan Pacific Entomologist 14 (1):36-45.:37. - Hurd & Michener, 1955Hurd, P.D. Jr. & C.D. Michener 1955. The Megachilidae bees of California (Hymenoptera: Megachilidae). Bulletin of the California insect survey 3:1-247.:27 ( listed as synonym of Chelostoma californicum Cresson, 1878); 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.:2009 ( listed as synonym of Chelostoma californicum Cresson, 1878).