Poinar, Jr., G. O., & Chambers, K. L. (2020). Cyathitepala papillosa gen. et sp. nov., a mid-Cretaceous fossil flower from Myanmar amber with valvate anthers. Journal of the Botanical Research Institute of Texas, 14(2), 351-358. https://doi.org/10.17348/jbrit.v14.i2.1013