Works Quoted
- Harris , T. M. Notes onthe Jurassic Flora of Yorkshire, 51–54 . Ann. & Mag. Nat. Hist. , In the Press
- Kendall , M. W. 1947 . On Five Species of Brachyphyllum from the Jurassic of Yorkshire and Wiltshire . Ann. & Mag. Nat. Hist. , xiv ( 11 ) : 225 – 251 . 10 figs.
- Kendall , M. W. 1948 . On Six Species of Pagiophyllum from the Jurassic of Yorkshire and Southern England . Ann. & Mag. Nat. Hist. , i ( 12 ) : 73 – 108 . 12 figs.
- Phillips , J. 1875 . Illustrations of the Geology of Yorkshire, I. The Yorkshire Coast , 3rd ed. Vol. xii , xii. + 354 pp., 28 pls.
- Sahni , B. 1928 . Revisions of Indian Fossil Plants, I. Coniferales (a. Impressions and Incrustations) . Palæont. Indica, Calcutta (n.s.) , xi : 1 – 49 . pls. 1–6
- Salfeld , H. 1907 . Fossile Landpflanzen der Rät- und Juraformation Südwestdeutschlands . Palæontogr., Stuttgart , liv : 163 – 204 . pls. 14–22
- Seward , A. C. 1919 . Fossil Plants Vol. iv , 543 – 543 . Cambridge