Rhinetula denticrus Friese, 1922:582 (key), 583, ♂. 1 ♂, Columbia (Mus. Hamburg); 4 ♂, San Carlos und San Matteo (Costa Rica), 1902 (leg. Burgdorf), Lectotype ♂ (ZMHU), designated by Roberts & Brooks, 1987Roberts, R.B. & R.W. Brooks 1987. Agapostemonine bees of Mesoamerica (Hymenoptera: Halictidae). The University of Kansas Science Bulletin 53 (7):357-392.:388; Gonçalves & Melo, 2006Gonçalves, R.B. & G.A.R. Melo 2006. Notes on the Neotropical bee genera Agapostemonoides Roberts & Brooks and Rhinetula Friese, with description of a new species of Agapostemonoides (Hymenoptera, Apidae, Halictinae). Zootaxa 1136:39-48.:45, Lectotype ♂ (ZMHB). - Roberts & Brooks, 1987Roberts, R.B. & R.W. Brooks 1987. Agapostemonine bees of Mesoamerica (Hymenoptera: Halictidae). The University of Kansas Science Bulletin 53 (7):357-392. (distribution); Smith-Pardo, 2003Smith-Pardo, A.H. 2003. A preliminary account of the bees of Colombia (Hymenoptera: Apoidea): present knowledge and future directions. Journal of the Kansas Entomological Society 76 (2):335-341. (distribution); Gonçalves & Melo, 2006Gonçalves, R.B. & G.A.R. Melo 2006. Notes on the Neotropical bee genera Agapostemonoides Roberts & Brooks and Rhinetula Friese, with description of a new species of Agapostemonoides (Hymenoptera, Apidae, Halictinae). Zootaxa 1136:39-48. (distribution). - As Caenohalictus denticrus: - Michener, 1954Michener, C.D. 1954. Bees of Panamá. Bulletin of the American Museum of Natural History 104 (1):1-176. (distribution).
Rhinetula rufiventris Friese, 1922:583 (key), 584, ♂. 2 ♂, Tarata in Bolivien (leg. Priewasser); Roberts & Brooks, 1987Roberts, R.B. & R.W. Brooks 1987. Agapostemonine bees of Mesoamerica (Hymenoptera: Halictidae). The University of Kansas Science Bulletin 53 (7):357-392.:388, Holotype ♂ (ZMHU). Synonymized with Rhinetula denticrus Friese, 1922 by Roberts & Brooks, 1987Roberts, R.B. & R.W. Brooks 1987. Agapostemonine bees of Mesoamerica (Hymenoptera: Halictidae). The University of Kansas Science Bulletin 53 (7):357-392.:388.