Heinrichsia cheilanthoides gen. et sp. nov., a fossil fern in the family Pteridaceae (Polypodiales) from the Cretaceous amber forests of Myanmar
Ledis Regalado, Alexander R. Schmidt, Patrick Müller, Lisa Niedermeier, Michael Krings, and Harald Schneider
Journal of Systematics and Evolution . 2019, (4): 329 -338 .  DOI: 10.1111/jse.12514