BOZUKOV, V.; TODOROV, O. Pterophylla (Cunoniaceae) – a New Genus for the Fossil Flora of Bulgaria. Proceedings of the Bulgarian Academy of Sciences, Sofia, Bulgaria, v. 79, n. 4, p. 438–444, 2026. DOI: 10.7546/CRABS.2026.04.04. Disponível em: https://www.proceedings.bas.bg/index.php/cr/article/view/955. Acesso em: 17 may. 2026.