STRUCTURALLY PRESERVED FOSSIL PLANTS FROM ANTARCTICA. I. ANTARCTICYCAS, GEN. NOV., A TRIASSIC CYCAD STEM FROM THE BEARDMORE GLACIER AREA

• Published in: American Journal of Botany
• Main Authors: Smoot, Edith L., Taylor, Thomas N., Delevoryas, T.
• Other Authors: National Science Foundation, Ohio State University
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 1985
• Subjects: Antarctic; Beardmore; Beardmore Glacier; The Antarctic; Transantarctic Mountains; Antarc*; Antarctica
• Online Access: http://dx.doi.org/10.1002/j.1537-2197.1985.tb08399.x; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fj.1537-2197.1985.tb08399.x; https://onlinelibrary.wiley.com/doi/pdf/10.1002/j.1537-2197.1985.tb08399.x; http://api.wiley.com/onlinelibrary/chorus/v1/articles/10.1002%2Fj.1537-2197.1985.tb08399.x

Silicified stems with typical cycadalean anatomy are described from specimens collected from the Fremouw Formation (Triassic) in the Transantarctic Mountains of Antarctica. Axes are slender with a large parenchymatous pith and cortex separated by a narrow ring of vascular tissue. Mucilage canals are...