Clayton Chalk Pit (Chalk Marl): Early/Lower Cenomanian - Middle Cenomanian, United Kingdom
collected by H. Catt (H. Willett collection) 1840-1860
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Actinopteri
- Beryciformes
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Berycopsis elegans n. gen., n. sp.
Dixon 1850
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Dixon 1850 | |||||||||
| BMB 007204 | ||||||||||
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Reptilia
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Coniasaurus crassidens n. gen., n. sp.
Owen 1850
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2 individuals | |||||||||
| BMB007155 (holotype, 14 dorsal vertebrae) and 012485 (4 vertebrae) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United Kingdom | State/province: | England | County: | East Sussex |
| Coordinates: | 50.9° North, 0.2° West (view map) | ||||
| Paleocoordinates: | 39.7° North, 1.6° East | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Cenomanian | 10 m.y. bin: | Cretaceous 5 |
| Key time interval: | Early/Lower Cenomanian - Middle Cenomanian | ||
| Age range of interval: | 100.50000 - 93.90000 m.y. ago |
Stratigraphy
| Geological group: | Chalk | Formation: | Beer Head Limestone | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Formerly Chalk Marl Formation. Woodward (1902) assigned fishes to zone of Holaster subglobosus (Middle-Late Cenomanian), but Jukes-Browne (1903) described the Clayton Limeworks as belonging to the middle part of the Lower Chalk (which included the Chalk Marl) and assigned fishes from Clayton to the earlier zone of Ammonites (Schlotheimia) varians. | |||||
Lithology and environment
| Primary lithology: | gray chalk |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | selective quarrying | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | H. Catt (H. Willett collection) | Collection dates: | c. 1840-1860 |
| Collection method comments: Repository: Booth Museum, Brighton, East Sussex, UK collection (acquisitioned in April 1860) | |||
Metadata
| Also known as: | Coniasaurus crassidens holotype locality | ||
| Database number: | 118407 | ||
| Authorizer: | R. Benson, M. Clapham | Enterer: | R. Benson, M. Clapham |
| Modifier: | M. Clapham | Research group: | vertebrate |
| Created: | 2011-10-14 02:34:34 | Last modified: | 2021-07-30 14:15:16 |
| Access level: | the public | Released: | 2011-10-14 02:34:34 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 64387. | R. Owen. 1850. Descriptions of the fossils of the Chalk Formation. Description of the fossil reptiles of the Chalk Formation. The Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex 378-404 [M. Carrano/M. Carrano] |
Secondary references:
| 38152 | M. W. Caldwell and J. A. Cooper. 1999. Redescription, palaeobiogeography and palaeoecology of Coniasaurus crassidens Owen, 1850 (Squamata) from the Lower Chalk (Cretaceous; Cenomanian) of SE England. Zoological Journal of the Linnean Society of London 127:423-452 [R. Benson/R. Benson] | |
| 62763 | F. Dixon. 1850. The Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex xvi-422 [M. Uhen/M. Uhen/M. Carrano] | |
| 14140 | ETE | R. Owen. 1851. Monograph on the fossil Reptilia of the Cretaceous Formations. Part I. Chelonia (Lacertilia, etc.). The Palaeontographical Society, London 1851:1-118 [M. Carrano/M. Carrano/R. Benson] |
| 62724 | A. S. Woodward. 1902. The fossil fishes of the English Chalk, Part I. Palaeontographical Society Monograph 56:1-56 [M. Uhen/M. Uhen/M. Clapham] |