Nomenclatural acts
Plant Fossil Names Registry Number: PFN003579
Nosovaea striata sp. nov.
Bickner, M. A., Crane, P. R., Herrera, F., Ichinnorov, N., Shi, G. & Herendeen, P. S. (2026): New Early Cretaceous seeds from Mongolia and Inner Mongolia, China with Chlamydospermous organization. – International Journal of Plant Sciences 187(4): 335–352.
Plant Fossil Names Registry Number: PFN003578
Bugdaevaea lignitica sp. nov.
Bickner, M. A., Crane, P. R., Herrera, F., Ichinnorov, N., Shi, G. & Herendeen, P. S. (2026): New Early Cretaceous seeds from Mongolia and Inner Mongolia, China with Chlamydospermous organization. – International Journal of Plant Sciences 187(4): 335–352.
Plant Fossil Names Registry Number: PFN003569
Potamogeton crispissima (Dusén) A.Iglesias, Gallardo, Santillana et E.Silva designation of lectotype
Iglesias, A., Gallardo, R. A., Santillana, S. & Silva, E. (2025): New plants from the Upper Paleocene Cross Valley-Wiman Formation, Marambio (=Seymour) Island, Antarctic Peninsula. – Ameghiniana 62(2): 144–174., page 155
Plant Fossil Names Registry Number: PFN003561
Equicalastrobus chinleana comb. nov.
Grauvogel-Stamm, L. & Ash, S. R. (1999): “Lycostrobus” chinleana, an equisetalean cone from the Upper Triassic of the southwestern United States and its phylogenetic implications. – American Journal of Botany 86(10): 1391–1405.
Plant Fossil Names Registry Number: PFN003560
Lycostrobus chinleanus sp. nov.
Daugherty, L. H. (1941): The Upper Triassic flora of Arizona. Publications of the Carnegie Institution of Washington: 1–108.
Plant Fossil Names Registry Number: PFN003559
Equicalastrobus gen. nov.
Grauvogel-Stamm, L. & Ash, S. R. (1999): “Lycostrobus” chinleana, an equisetalean cone from the Upper Triassic of the southwestern United States and its phylogenetic implications. – American Journal of Botany 86(10): 1391–1405.
Plant Fossil Names Registry Number: PFN003541
Myricoxylon unalakkemikii sp. nov.
Çelik, H. (2025): A new fossil wood species from Galatian Volcanic Province (Anatolia): Myricoxylon unalakkemikii Çelik sp.nov. – Forestist 75(1): 1–7.
Plant Fossil Names Registry Number: PFN003503
Classostrobus amealensis sp. nov.
Tekleva, M. V., Mendes, M. M., Kvaček, J., van Konijnenburg-van Cittert, J. H. A. & Heřmanová, Z. (2026): The microsporangiate cone Classostrobus amealensis sp. nov. with in situ pollen from the Lower Cretaceous (lower Hauterivian) of Portugal: pollen ultrastructure and implications for frenelopsid species diversity. – Cretaceous Research 181: 106315 (1–17).
Plant Fossil Names Registry Number: PFN003488
Hyponychium pentadactylum sp. nov.
Paulsen, M., Ohlsen, D., Cantrill, D. J. & Stilwell, J. (2025): Eocene liverwort and moss species preserved in Anglesea amber from Australia. – Review of Palaeobotany and Palynology 338: p.105330 (1–10).
Plant Fossil Names Registry Number: PFN003487
Hyponychium gen. nov.
Paulsen, M., Ohlsen, D., Cantrill, D. J. & Stilwell, J. (2025): Eocene liverwort and moss species preserved in Anglesea amber from Australia. – Review of Palaeobotany and Palynology 338: p.105330 (1–10).
Plant Fossil Names Registry Number: PFN003486
Radula panduriformis sp. nov.
Paulsen, M., Ohlsen, D., Cantrill, D. J. & Stilwell, J. (2025): Eocene liverwort and moss species preserved in Anglesea amber from Australia. – Review of Palaeobotany and Palynology 338: p.105330 (1–10).
Plant Fossil Names Registry Number: PFN003485
Karkenia bracteata sp. nov.
Frolov, A. O., Enushchenko, I. V. & Mashchuk, I. M. (2025): A new species of Karkenia (Karkeniaceae, Ginkgoales) from the Early Jurassic of the East Siberia (Russia): Paleobiogeographical and Evolutionary implications. – Papers in Palaeontology 11(3): e70019.
Plant Fossil Names Registry Number: PFN003483
Ripogonum marambio sp. nov.
Iglesias, A., Gallardo, R. A., Santillana, S. & Silva, E. (2025): New plants from the Upper Paleocene Cross Valley-Wiman Formation, Marambio (=Seymour) Island, Antarctic Peninsula. – Ameghiniana 62(2): 144–174.
Plant Fossil Names Registry Number: PFN003482
Taeniopteris crispissima sp. nov.
Dusén, P. K. H. (1908): Über Die Tertiare Flora der Seymour Insel. Lithographisches Institut des Generalstabs Stockholm: 27 pp.
Plant Fossil Names Registry Number: PFN003481
Potamogeton crispissima comb. nov.
Iglesias, A., Gallardo, R. A., Santillana, S. & Silva, E. (2025): New plants from the Upper Paleocene Cross Valley-Wiman Formation, Marambio (=Seymour) Island, Antarctic Peninsula. – Ameghiniana 62(2): 144–174.
Plant Fossil Names Registry Number: PFN003478
Irizaripteris antarcticus sp. nov.
Iglesias, A., Gallardo, R. A., Santillana, S. & Silva, E. (2025): New plants from the Upper Paleocene Cross Valley-Wiman Formation, Marambio (=Seymour) Island, Antarctic Peninsula. – Ameghiniana 62(2): 144–174.
Plant Fossil Names Registry Number: PFN003477
Irizaripteris gen. nov.
Iglesias, A., Gallardo, R. A., Santillana, S. & Silva, E. (2025): New plants from the Upper Paleocene Cross Valley-Wiman Formation, Marambio (=Seymour) Island, Antarctic Peninsula. – Ameghiniana 62(2): 144–174.
Plant Fossil Names Registry Number: PFN003473
Discosoropteris zlatkokvacekii sp. nov.
Pšenička, J., Zhou, W. M., Boyce, C. K., Votočková Frojdová, J., Bek, J., Opluštil, S. & Wang, J. (2022): Two new leptosporangiate ferns from in situ volcanic ash of the Whetstone Horizon (Kladno Formation, Pennsylvanian), Pilsen Basin, Czech Republic. – Review of Palaeobotany and Palynology 299: 1–25.
Plant Fossil Names Registry Number: PFN003472
Discosoropteris chlupatum sp. nov.
Pšenička, J., Zhou, W. M., Boyce, C. K., Votočková Frojdová, J., Bek, J., Opluštil, S. & Wang, J. (2022): Two new leptosporangiate ferns from in situ volcanic ash of the Whetstone Horizon (Kladno Formation, Pennsylvanian), Pilsen Basin, Czech Republic. – Review of Palaeobotany and Palynology 299: 1–25.
Plant Fossil Names Registry Number: PFN003471
Lepidostrobus willardii sp. nov.
Pšenička, J., Bek, J. & Nelson, W. J. (2024): Lepidostrobus willardii sp. nov. and its spores from the Lower Pennsylvanian of the Illinois Basin, USA. – Bulletin of Geosciences 99(3): 203–2018.