Heddington Pits, Kimmeridge Clay (Jurassic of the United Kingdom)

Also known as Headington

Where: England, United Kingdom (51.8° N, 1.2° W: paleocoordinates 42.5° N, 8.6° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lower Member (Kimmeridge Clay Formation), Early/Lower Kimmeridgian (155.7 - 150.8 Ma)

• "Pocock (1908) notes that these pits expose the contact between the Kimmeridge Clay Formation and the underlying Corallian beds, suggesting the pliosaurid material was found in the lower part of the Kimmeridge Clay Formation" (Knutsen 2012, p. 267) [i.e. Early Kimmeridgian]

Environment/lithology: marine; mudstone

Size class: macrofossils

Collected by Viscount Cole

Primary reference: R. Owen. 1840. Report on British fossil reptiles. Report of the British Association for the Advancement of Science 8:43-126 [M. Carrano/H. Street/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119086: authorized by Roger Benson, entered by Roger Benson on 20.10.2011, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

 Loricata - Metriorhynchidae
Metriorhynchidae indet. Fitzinger 1843 marine crocodile
 Sauropterygia -
Plesiosaurus affinis n. sp. Owen 1840 plesiosaur
 Sauropterygia - Pliosauridae
"Plesiosaurus brachyspondylus n. sp." = Pliosaurus brachyspondylus
"Plesiosaurus brachyspondylus n. sp." = Pliosaurus brachyspondylus Owen 1840 plesiosaur
vertebrae (now lost), also mentioned by Conybeare (1822)