Reference
Lydekker, Richard (1889) Monograph of the fossil reptilia of the Liassic formation of the British Museum (Natural History). Part II. Containing the Orders Ichthyopterigia and Sauropterygia.; Bulletin of the British Museum (Natural History), Geology,
Monograph of the fossil reptilia of the Liassic formation of the British Museum (Natural History). Part II. Containing the Orders Ichthyopterigia and Sauropterygia.
Principal Author
Richard Lydekker
Header
Academic paper
Journal
Bulletin of the British Museum (Natural History), Geology
Publisher
British Museum (Natural History)
Abstract
Of the Plesiosaurus dolicodeirus, Conyb., the first described and the typical species of the genus, three more or less entire specimens have come under my observation, which have been obtained from the Lower Lias of Lyme Regis and Charmouth, Dorsetshire. One of these, formerly in the possession of the late Duke of Buckingham and now in the British Museum, was the subject of Conybeare's original description. A second, in the British Museum, is figured by Buckland in his 'Bridgewater Treatise,' vol. ii, p1. xix, fig. 2 ; the third, also in the British Museum, is the one which I have selected for illustration in the present MONOGRAPH (Tabs. I and II). In this the vertebral series is entire; there is no break in the long cervical region, as in the other two specimens; its perfection, in this respect, satisfactorily shows that the head is at, or nearly at, the correct distance from the trunk, with the neck outstretched, in the two former specimens, the greater completeness of which, in regard to the limbs, supplies what is wanting in this respect in the present skeleton (see Tab .1, figs. 2 and 3).
Language
English