Poinar, Jr., G. O., and K. L. Chambers. “Phantophlebia Dicycla Gen. Et Sp. Nov., a Five-Merous Fossil Flower in Mid-Cretaceous Myanmar Amber”. Journal of the Botanical Research Institute of Texas, vol. 14, no. 1, July 2020, pp. 73-80, doi:10.17348/jbrit.v14.i1.898.