Under construction
Plesiosaurus dolichodeirus
Species
Plesiosaurus dolichodeirus
Author
Conybeare,1824
Classification
Plesiosaurus
Age
Early Jurassic, Sinemurian
Type location
Lyme Regis, Dorset, UK
Geological formation
Black Ven Marl Formation, Lower Lias
Type specimen
NHMUK PV OR 22656
Referred material
BMNH 28332,33287 (Owen, 1865:Plate4,Figures1and 2), 36183(Owen, 1865:Plates1and2), 39490(Owen, 1865:Plate3, Figures1and 3), 39491 (Owen, 1865:Plate3, Figure 2), 41101 (Andrews, 1896:Figure1), R.255 (acompletejaw purchasedfrom theEdgertoncollectionin 1882),R.1313(collected by Mary Anning, 1829; Buckland'sGeology and Mineralogy, "The Bridgewater Treatise," 1837:Plate 16, Figure 2), R.1314 (a well-preservedright forelimb), ?R.1315,R. 1316(Owen, 1865:Plate3, Figures4 and6), R. 1316b(Owen, 1865:Plate 4, Figures 3 and 8), ?R.1330,R.1756 (a partial skeletonwith good right limbs; Lydekker, 1890:277), ?BRSMG Ce17972 (the smallest potential Plesiosaurus skeletonknown; Storrs, in press),JMM FC M 032, NMHN A.-C. 8592, NMING F:8758, OXFUM J.10304,J.13809,J.28586(typical dentariesfrom the Philpott collection,measuredby Owen, 1840a:61),J.28587,TM 13286(Winkler, 1873:Plate 7), YPM 1654 (an isolatedpair of dentarieswith well-preservedteeth), YPM-PU 3 3 5 2 ( a j u v e n i l e s p e c i m e n ) , a n d n u m e r o u si s o l a t e d , b u t f r e q u e n t l y n o n d i a g n o s t i c , bonesassignedto P. dolichodeirusarecontainedin virtually all collectionsof Lias material.