A Glossopteris with Whorled Leaves

ARBER, E. A. N. (1905). Catalogue of the fossil plants of the Glossopteris Flora in the British Museum. London.

BUNBURY, C. J. F. (1861). Notes on a Collection of Fossil Plants from Nagpur, Central India. Quart. Journ. Geol. soc. London. 17: 325-346.

DU TOIT, A. L. (1927). Fossil Flora of the Upper Karroo Beds. Ann. South African Museum. 22. Pt. 2: 290-420.

ETHERIDGE, R. JUN. (1894). On the mode of attachment of the leaves or fronds to the caudex in Glossopteris. Proc. Linn. Soc. New South Wales. Ser. 2. 9: 228-249.

FEISTMANTEL, O. (1881). Fossil Flora of the Gondwana System. 3, Pt. 3. The Flora of the Damuda-Panchet Divisions. Palaeontologica Indica. 12: 78-149.

SAHNI, B. (1923). On the Structure of the Cuticle in Glossopteris angustifolia Brongn. Records Geol. Surv. India. 54. Pt. 3: 277-280.

SEWARD, A. C. (1910). Fossil Plants. 2. Cambridge.

THOMAS, H. HAMSHAW (1933). On some Pteridosperous Plants from the Mesozoic Rocks of South Africa. Phil. Trans. Roy. Soc. London. B222: 193-265.

WALKOM, A. B. (1922). Palaeozoic Floras of Queensland. Pt. 1. The Glossopteris Flora of the Lower and Upper Bowen Series. Queensland Geol. Surv. Pub. 270.

WALTON, J. & WILSON, J. A. R. (1932). On the Structure of Vertebraria. Proc. Roy. Soc. Edinburgh. 52 (2): 200-207.

WILKES, C. (1849). U.S. Exploring Expedition. 10 (Geology). Philadelphia.

ZEILLER, M. R. (1896). Etude sur quelques plantes fossils, en particulier Vertebraria et Glossopteris, des environs de Johannesburg (Transvaal). Bull. Soc. Geol. France. 3me ser. 24: 356-362.