Antarctic Cretaceous and Paleogene crinoids
Antarctic Cretaceous and Paleogene crinoids
Research conducted on Seymour Island has shown that stalked crinoids continuously inhabited the shallow seas of Antarctica from the Late Cretaceous through the Paleogene. This discovery fills a gap in the fossil record and demonstrates that this group survived the Cretaceous–Paleogene extinction event, maintaining the ability to function in shallow shelf marine environments despite increased predation pressure.
PUBLICATION: Poatskievick-Pierezan, B., Salamon, M. A., Manríquez Márquez, L., Schneider, B. C., Hunnig Bom, M. H., do Monte Guerra, R., Scalise Horodyski, R., Diemer Kochhann, K. G., Fauth, G., & Gorzelak, P. 2026. Linking the Cretaceous and the Paleogene: Shallow-water stalked crinoids from Seymour Island reveal continuous Antarctic fossil record. Gondwana Research, 154, 363–370. doi.org/10.1016/j.gr.2026.01.010