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Kimmeridge Clay

129 occ. 46 taxa (6 genera) 2 countries
Description

The Kimmeridge Clay is a sedimentary deposit of fossiliferous marine clay which is of Late Jurassic to lowermost Cretaceous age and occurs in southern and eastern England and in the North Sea. This rock formation is the major source rock for North Sea oil. The fossil fauna of the Kimmeridge Clay includes turtles, thalattosuchians, sauropods, plesiosaurs, pliosaurs and ichthyosaurs, as well as a number of invertebrate species.

Genera
6 genera
Pliosaurus
Pliosaurus
Marine reptiles
Valid 10 occ. · 165 Ma
Megalosaurus
Megalosaurus
Dinosaurs
Valid 2 occ. · 206 Ma
Plesiosaurus
Plesiosaurus
Marine reptiles
Valid 2 occ. · 206 Ma
Germanodactylus
Germanodactylus
Pterosaurs
Valid 1 occ. · 155 Ma
Ichthyosaurus
Ichthyosaurus
Marine reptiles
Valid 1 occ. · 227 Ma
Cimoliasaurus
Cimoliasaurus
Marine reptiles
Valid 1 occ. · 155 Ma
Kimmeridge Clay
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Beach and cliffs, Egmont Bight The grey cliffs here are of Upper Kimmeridge Clay, and prone to erosion by storm waves coming in from the south-west. The small rocks in the foreground are the eroded remains of the foot of a mudslide from the Houns-tout cliff. © Jim Champion · CC BY-SA 2.0 · Wikipedia
Kimmeridge Clay
Kimmeridge Clay
Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
Geological group / Member
Lower 26
Ancholme 20
Upper 3
Ancholme / Lower 3
Top countries
🇬🇧 United Kingdom 127
🇫🇷 France 2
Depositional environments
Marine indet. 114
Terrestrial indet. 5
Marginal marine indet. 4
deep-water indet. 3
Shallow subtidal indet. 2
offshore 1
Top collectors
J. F. Blake et al. 9
Esq. 7
Steve Etches 7
W. Buckland 7
Viscount Cole 6
J. C. Mansel 5
A. J. Brokenshire 4
Cunnington 4
J. Prestwich 4
J. Shopland 4
Davies 4
S. Etches 4
Collection activity by decade
1800s 5
1820s 4
1840s 4
1850s 2
1860s 2
1870s 24
1880s 5
1890s 4
1900s 5
1910s 1
1920s 2
1930s 1
1950s 4
1960s 2
1970s 1
1980s 6
1990s 7
2000s 7