FIGURE. 4 in New Discoveries and New Combinations of the Fossil-genus Ginkgoites Seward (Ginkgoales) from the Lower and Middle Jurassic of East Siberia (Russia)

FIGURE. 4. Morphological and anatomical structure of Ginkgoites abaniensis (Kostina) A.Frolov comb. nov. leaves from the Middle Jurassic sediments of the Mura Formation. A–C. Lobed leaves. A. Specimen no. 9Т/81-12 (epitype). B. Specimen no. 9Т/81-13. C. Specimen no. 9Т/81-11. D. Secretory channel (shown by arrows), specimen no. 9Т/81-14. E–L. Upper surface of the epidermis, specimen no. 9Т/81-12 (epitype). E. General topography of the upper leaf epidermis. F. Non-stomatal band cells. G. Stomatal band cells, rows formed by anisometric cells shown by arrow. H. Short trichome. J–K. Stomatal complexes with different degrees of papillae development.