Wille, A. and Chandler, L.C. 1964. A new stingless bee from the tertiary amber of the Dominican Republic (Hymenoptera; Meliponini). Revista de Biología Tropical. 12, 2 (Dec. 1964), 187–195. DOI:https://doi.org/10.15517/rev.biol.trop.1964.31451.