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Cryptoclidus richardsoni
Diagnosis
Member of the genus Cryptoclidus in which the distal anterior portion of the humerus is not greatly expanded; the radius has a concave anterior border, and the humeral facet is only slightly longer than the facet for the radiale; the ulna is approximately square.
Brown, David S. (1981) The English Upper Jurassic Plesiosauroidea (Reptilia) and a review of the phylogeny and classification of the Plesiosauria; Bulletin of the British Museum (Natural History), Geology, 35(4), pp.253-347
Etymology
discovered and collected by Nelson M. Richardson of Dorset
Fossils
 
Catalogue No
Collection
Specimen
BMNH R 6696
The Natural History Museum, London
Age
Callovian (Stage/Age)
Rock Unit
Oxford Clay
Locality
Weymouth
 
ID record for BMNH R 6696
Cryptoclidus richardsoni
Holotype
Lydekker, Richard (1889) Catalogue of Fossil Reptilia and Amphibia in the British Museum (Natural History) Part II;
Specimen
not known
unknown
Age
Portlandian (Stage/Age)
Rock Unit
Portland Formation
Locality
Isle of Purbeck
 
ID record for not known
Cryptoclidus richardsoni
Refered Specimen
Delair, Justin B. (1959) The Mesozoic Reptiles of Dorset; Proceedings of the Dorset Natural History and Archaeology Society, 30, pp.52-90
Specimen
BMNH R 1669
The Natural History Museum, London
Age
Callovian (Stage/Age)
Rock Unit
Oxford Clay
Locality
Peterborough
 
ID record for BMNH R 1669
Cryptoclidus richardsoni
Refered Specimen
Lydekker, Richard (1889) Catalogue of Fossil Reptilia and Amphibia in the British Museum (Natural History) Part II;
Specimen
BMNH R 1670
The Natural History Museum, London
Age
Callovian (Stage/Age)
Rock Unit
Oxford Clay
Locality
unknown
 
ID record for BMNH R 1670
Cryptoclidus richardsoni
Refered Specimen
Lydekker, Richard (1889) Catalogue of Fossil Reptilia and Amphibia in the British Museum (Natural History) Part II;
Specimen
BMNH R 1683
The Natural History Museum, London
Age
Portlandian (Stage/Age)
Rock Unit
Portland Formation
Locality
Isle of Purbeck
 
ID record for BMNH R 1683
Cryptoclidus richardsoni
Refered Specimen
Lydekker, Richard (1889) Catalogue of Fossil Reptilia and Amphibia in the British Museum (Natural History) Part II;