New cyathealean tree fern, Yavanna chimaerica gen. et sp. nov., from the Early Cretaceous of Livingston Island, Antarctica

• Published in: Cretaceous Research
• Main Author: Vera, Ezequiel Ignacio
• Format: Article in Journal/Newspaper
• Language: English
• Published: Academic Press Ltd-elsevier Science Ltd
• Subjects: Cyatheales; Aptian; Antarctica; Livingston Island; South Shetland Islands; Cerro Negro Formation; https://purl.org/becyt/ford/1.5; https://purl.org/becyt/ford/1; https://purl.org/becyt/ford/1.6; Argentina; Argentino; Cerro Negro; Antarc*
• Online Access: http://hdl.handle.net/11336/8854

A new genus and species of cyathealean fern, Yavanna chimaerica gen. et sp. nov., is erected for several permineralized stems recovered from the Early Cretaceous (Aptian) Cerro Negro Formation, which crops out at the South Shetland Islands, Antarctica. The new species is characterized by solenosteli...