Chambers, Kenton L., and George O. Poinar, Jr. “Thymolepis Toxandra Gen. Et Sp. Nov., a Mid-Cretaceous Fossil Flower With Horseshoe-Shaped Anthers”. Journal of the Botanical Research Institute of Texas 14, no. 1 (July 15, 2020): 57–64. Accessed October 9, 2024. https://journals.brit.org/jbrit/article/view/896.