Abstract
Based on study of leaves from the outcrops of the Mura Formation (East Siberia) the diagnosis of the species Ginkgo abaniensis is emended. Because fossils of Ginkgoales reproductive organs are absent in the Early and Middle Jurassic sediments of East Siberia, the assignment of Ginkgo-like leaves to the genus Ginkgo is not proved. Therefore, such leaves are assigned to the fossil-genus Ginkgoites and the new combinations: Ginkgoites abaniensis comb. nov., G. capillata comb. nov. and G. glinkiensis comb. nov. are proposed. The epidermal structure clearly differentiates Ginkgoites abaniensis comb. nov. from other representatives of Ginkgoites known from Jurassic and Lower Cretaceous sediments of Europe, Central Asia and Siberia.
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<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;"><span lang="en-GB">Kiritchkova, A.I. & Travina, T.A. (1990) </span><span lang="en-GB"><em>Fitostratigrafiya yurskih otlozhenij Kanskogo uglenosnogo bassejna (Phytostratigraphy of Jurassic deposits of the Kansk coal-bearing basin)</em></span><span lang="en-GB">. Bio- i litostratigrafiya mezozoya neftegazonosnyh bassejnov SSSR. VNIGRI Publishing House, Leningrad, pp. 69–94. [in Russian]</span></span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;"><span lang="en-GB">Kiritchkova, A.I. & Travina, T.A. (1993) O sfenopteroidnyh paporotnikah yury Irkutskogo bassejna (mestonahozhdeniya Ust’-Balej i gora Kaya) (On Sphenopteroidal Ferns from the Jurassic of the Irkutsk Basin (Ust’-Baley and Kaja Localities)). </span><span lang="en-GB"><em>Paleontologicheskij zhurnal </em></span><span lang="en-GB">4: 106–114. [in Russian]</span></span></span></span></p>
<p align="justify"><span style="color: #000000;"><span style="font-family: Times New Roman, serif;"><span style="font-size: small;"><span lang="en-GB">Kiritchkova, A.I. &</span> <span lang="en-GB">Nosova, N.V. (2012) </span><span lang="en-GB"><em>Kontinental’naya yura Sredne-Kaspijskogo bassejna. Chast’ 2: facial’nye osobennosti, tafonomiya, mezhregional’naya korrelyaciya, flora (Pinophyta: Pteridospermae, Cycadales, Bennititales, Ginkgoales, Czekanowskiales, Coniferales) (Jurassic continental deposits of the Middle-Caspian basin. Part 2: Facies, taphonomy, interregional correlations, flora (Pinophyta: Pteridospermae, Cycadales, Bennettitales, Ginkgoales,Czekanowskiales, Coniferales)). </em></span><span lang="en-GB">VNIGRI, St. Petersburg, 338 pp. [in Russian]</span></span></span></span></p>
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