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

by Smoot, Edith L., Taylor, Thomas N., Delevoryas, T.
Published in American Journal of Botany (1985)
“... pith and cortex. Vascular tissue consists of endarch primary xylem, a narrow band of secondary xylem...”

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Cycads from the Triassic of Antarctica: Permineralized Cycad Leaves

by Hermsen, Elizabeth, Taylor, Thomas N., Taylor, Edith L., Stevenson, Dennis W.
Published in International Journal of Plant Sciences (2015)
“... Cycadales and exarch primary xylem that link them to the modern order. Pinnae associated with the Antarctic...”

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STRUCTURALLY PRESERVED SPHENOPHYTES FROM THE TRIASSIC OF ANTARCTICA: VEGETATIVE REMAINS OF SPACIINODUM, GEN. NOV.

by Osborn, Jeffrey M., Taylor, Thomas N.
Published in American Journal of Botany (1989)
“... and is surrounded by a continuous double endodermis. Xylem is endarch and composed of elements ranging from annular...”

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First South American Record of Winteroxylon, Eocene of Laguna del Hunco (Chubut, Patagonia, Argentina): New Link to Australasia and Malesia

by Brea, Mariana, Iglesias, Ari, Wilf, Peter, Moya, Eliana Vanesa, Gandolfo, Maria Alejandra
Published in International Journal of Plant Sciences
“... description of the secondary xylem of a well-preserved trunk from the early Eocene Laguna del Hunco site...”

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