Harris T.M. The yorkshire jurassic flora IV. 1. Ginkgoales; 2. Czekanowskiales / Harris T.M., Millington W., Miller J. - London: British Museum (Natural History), 1974. - 150 p., 14 p. of plate. - (British Museum (Natural History). Publications; N724). - Ref.: p.139-146. - Ind.: p.147-150. - ISBN 0-565-00724-6  Место хранения:   018 | Институт нефтегазовой геологии и геофизики им. А.А.Трофимука | Новосибирск | Библиотека

Оглавление / Contents

Systematic Descriptions ......................................... 2 1 Ginkgoales ................................................... 2 Key to the genera of Yorkshire Ginkgoales ................. 3 Key to the Yorkshire species of Ginkgo .................... 3 Ginkgo Linnaeus .............................................. 4 Ginkgo digitata (Brongniart) .............................. 5 Ginkgo huttoni (Sternberg) ............................... 11 Ginkgo sp. cf. sibirica Heer ............................. 17 Ginkgo longifolius (Phillips) Harris comb. nov. .......... 21 Ginkgo zohitbiensis Harris ............................... 27 Baiera F. Braun ............................................. 29 Baiera furcata (L. & H.) ................................. 30 Baiera gracilis Bunbury .................................. 30 Sphenobaiera Florin ......................................... 39 Sphenobaiera pecten Harris ............................... 40 Sphenobaiera longifolia (Pomel) .......................... 43 Sphenobaiera ophioglossum sp. nov. ....................... 48 Sphenobaiera gyron sp. nov. .............................. 53 Eretmophyllum Thomas ........................................ 56 Key to the Yorkshire species of Eretmophyllum ............ 57 Eretmophyllum pubescens Thomas ........................... 57 Eretmophyllum whitbiense Thomas .......................... 62 Pseudotorellia Florin ....................................... 66 Pseudotorellia tibia sp. nov. ............................ 67 Reproductive Organs of the Ginkgoales ....................... 71 Seeds attributed to Ginkgo huttoni (Sternb.) ............. 72 Bud scales attributed to Ginkgo huttoni (Sternb.) ........ 74 Seeds attributed to Baiera furcata (L. & H.) ............. 74 Male cone attributed to Ginkgo huttoni (Sternb.) ......... 76 2 CZEKANOWSKIALES ............................................. 79 Provisional list of characters ........................... 80 Generic key to the Czekanowskiales ....................... 83 Key to the Yorkshire species of Czekanowskiales .......... 84 Relationships of the Czekanowskiales ..................... 84 Solenites Lindley & Hutton .................................. 86 Solenites vimineus (Phillips) ............................ 87 Czekanowskia Heer ........................................... 92 Czekanowskia furcula sp. nov. ............................ 92 Czekanowskia microphylla (Phillips) ...................... 97 Czekanowskia thomasi sp. nov. ........................... 100 Czekanowskia blacki sp. nov. ............................ 102 General comparison of the Yorkshire species of Czekanowskia ......................................... 106 Czekanowskia sp. A ...................................... 108 Czekanowskia sp. В ...................................... 109 Czekanowskia sp. С ...................................... 109 Czekanowskia sp. D ...................................... 110 Czekanowskia sp. E ...................................... 110 Sphenarion gen. nov. .................................... 110 Sphenarion muiriae sp. nov. ............................. 111 Leptostrobus Heer .......................................... 114 Leptostrobus cancer Harris .............................. 114 Attribution of Leptostrobus to Czekanowskia and Solenites ............................................... 124 Ixostrobus Raciborski ...................................... 126 Ixostrobus whitbiensis sp. nov. ......................... 131 Desmiophyllum Lesquereux ................................... 134 Desmiophyllum gramineum sp. nov. ........................ 135 References .................................................... 139 Index ......................................................... 147 Plates ........................................................ 151