Poinar, Jr., George, and Alex Brown. “Dating the Co-Evolution Between Bees and Beetle Triungulins (Coleoptera: Cleridae) to the Mid-Cretaceous”. Biosis: Biological Systems 1, no. 1 (March 4, 2020): 02–07. Accessed November 22, 2024. https://ojs.bdtopten.com/eaapublishing/index.php/biosis/article/view/51.