Christian Malford: Callovian, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Ophiotitanous smithi
Ewin and Thuy 2017
Ophiuroidea - Amphilepidida - Ophionereididae
Ophioplax prattii
Ewin and Thuy 2017
Actinopteri - Amiiformes - Caturidae
Caturus porteri n. sp. Rayner 1948
BMNH 29049
Actinopteri - Lepisosteiformes
Lepidotus macrocheirus Egerton 1845
Woodward 1895 2 specimens
BMNH P.7412 (type specimen described by Egerton), P.7413 (both presented by S.P. Pratt, Esq.)
Actinopteri - Pholidophoriformes - Pholidophoridae
Pholidophorus sp. Agassiz 1832
Woodward 1895 4 specimens
BMNH 26471-a (purchased 1851), P.4265, P.4634 (Enniskillen Coll.)
Actinopteri - Leptolepidiformes - Leptolepididae
Leptolepis macrophthalmus n. sp. Egerton 1853
Woodward 1895 14 specimens
BMNH P.575-6, P.3677 (Egerton & Enniskillen Colls.), 46344 (Cunnington Coll.), 20090, 19959 (purchased 1846), 21435 (purchased 1847), P.936, P.5145-46, P.937 (Egerton Coll.), P.4364 (Enniskillen Coll.)
Actinopteri - Aspidorhynchiformes - Aspidorhynchidae
Aspidorhynchus euodus Egerton 1845
Woodward 1895 29 specimens
BMNH 40518 (purchased 1867), P.7575 (history unknown), P.967a-b (Egerton Coll.), 46345-a (Cunnington Coll.), P.5147, P.567c (Egerton Coll.), P.4281-2 (Enniskillen Coll.), 29042-44 (purchased 1854), 37319 (purchased 1863), 21430-a (purchased 1847), 46350 (Cunnington Coll.), 21430b, 29045-a (purchased 1854), 46349 (Cunnington Coll.), 40519, 41296, 42295, 46412 (purchased 1867, 1869, 1870, 1875), P.967d (Egerton Coll.), 21430c, 24976, 29047 (purchased 1847, 1850, 1854)
Reptilia - Plesiosauria - Cryptoclididae
Plesiosaurus trochanterius Owen 1840
Phillips 1871 1 specimen
recombined as Colymbosaurus trochanterius
A femur in the collection of the Earl of Enniskillen
Reptilia - Plesiosauria - Pliosauridae
Peloneustes philarchus (Seeley 1869)
Lydekker 1889 1 specimen
BMNH 46354, a tooth in matrix, purchased 1875
Pliosaurus ferox (Sauvage 1873)
Lydekker 1889 1 specimen
original and current combination Liopleurodon ferox
BMNH 24683, a small tooth, purchased 1850
see common names

Geography
Country:United Kingdom State/province:England County:Wiltshire
Coordinates: 51.5° North, 2.1° West (view map)
Paleocoordinates:41.2° North, 8.0° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Middle Jurassic
Stage:Callovian 10 m.y. bin:Jurassic 5
Key time interval:Callovian
Age range of interval:165.30000 - 161.50000 m.y. ago
Stratigraphy
Formation:Oxford Clay
Stratigraphy comments: probably Jason zone
Lithology and environment
Primary lithology: lithified carbonaceous mudstone
Includes fossils?Y
Lithology description: "The Lower Oxford Clay is composed predominantly of organic-rich mudstones that on exposure rapidly develop a shale-like fissility" (Hudson & Martill 1991, p. 20-21)
Environment:offshore indet.
Geology comments: "accumulated in a wide, shallow (30–50 m deep) epeiric sea"
Taphonomy
Modes of preservation:body,adpression,soft parts
Lagerst�tten type:conservation
Size of fossils:macrofossils
Collection methods and comments
Collection methods:selective quarrying,surface (in situ),mechanical,survey of museum collection
Reason for describing collection:taxonomic analysis
Museum repositories:BMNH
Metadata
Database number:130656
Authorizer:M. Clapham, R. Benson, V. Syverson Enterer:P. Vazquez, V. Syverson, R. Benson
Modifier:R. Benson Research group:vertebrate
Created:2012-07-12 12:51:01 Last modified:2013-11-25 13:02:06
Access level:the public Released:2012-07-12 12:51:01
Creative Commons license:CC BY
Reference information

Primary reference:

42278. D. H. Rayner. 1948. The Structure of Certain Jurassic Holostean Fishes with Special Reference to Their Neurocrania. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences 233(601):287-345 [M. Clapham/P. Vazquez]

Secondary references:

33993 D. S. Brown. 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) 35(4):253-347 [M. Carrano/H. Street/H. Street]
62465 T. A. M. Ewin and B. Thuy. 2017. Brittle stars from the British Oxford Clay: unexpected ophiuroid diversity on Jurassic sublittoral mud bottoms. Journal of Paleontology 91(4):781-798 [V. Syverson/V. Syverson/M. Uhen]
33960 R. Lydekker. 1889. Catalogue of the Fossil Reptilia and Amphibia, Part II. Containing the orders Ichthyopterygia and Sauropterygia [M. Carrano/H. Street/R. Benson]
46063 D. M. Martill and J. D. Hudson. 1991. Fossils of the Oxford Clay 1-286 [R. Benson/R. Benson/R. Benson]
23773ETE J. Phillips. 1871. Geology of Oxford and the Valley of the Thames. Clarendon Press, Oxford 1-523 [M. Carrano/M. Carrano/E. Vlachos]
38893 A. S. Woodward. 1895. Catalogue of the Fossil Fishes in the British Museum (Natural History), Part III 1-544 [M. Clapham/M. Clapham]