The last patagonian cycad, austrozamia stockeyi gen. et sp. nov., early eocene of laguna del hunco, Chubut, Argentina

• Published in: Botany
• Main Authors: Wilf, Peter, Stevenson, Dennis Wm., Cúneo, Néstor Rubén
• Format: Article in Journal/Newspaper
• Language: English
• Published: National Research Council Canada-NRC Research Press
• Subjects: CYCADS; ENCEPHALARTOS; EOCENE; LEPIDOZAMIA; PATAGONIA; ZAMIACEAE; https://purl.org/becyt/ford/1.5; https://purl.org/becyt/ford/1; Antarctic; Argentina; Chubut; Patagonia; Antarc*; Antarctica
• Online Access: http://hdl.handle.net/11336/53134

The cycads pose classic problems in evolutionary biogeography, owing to their far-flung extant distributions and the sparse fossil records of living genera. A noteworthy example is Tribe Encephalarteae of Family Zamiaceae, today consisting of Encephalartos (Africa) and the Australian genera Lepidoza...