by J. H. A. Konijnenburg-van Cittert & H. S. Morgans. 1999. 134 pp., 20 plates. [ISBN 0 901702 64 1].
The Middle Jurassic of Yorkshire has yielded some of the classic Mesozoic floras, and the combination of good exposure and beautifully preserved fossils continues to attract many collectors. There have been several monographs published on these fossils, but this is the first attempt to provide an easily accessible identification key, and to place them in a stratigraphical and sedimentological context. It will help the collector to understand the fossils in terms of the original vegetation and thus to obtain an insight into the plant life that was growing in the time of the dinosaurs.