Battle turtles: Late/Upper Valanginian, United Kingdom
collected by J. Lee, Esq. 1884
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Compsemys bakewelli
(Mantell 1833)
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3 specimens | |||||||||
| recombined as Helochelydra bakewelli | ||||||||||
| NHMUK R658 (partial left hyoplastron); and additional specimens listed by Joyce et al. 2011: NHMUK R644 (peripheral fragment); NHMUK 39213 (four isolated shell fragments) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United Kingdom | State/province: | England | County: | East Sussex |
| Coordinates: | 50.9° North, 0.5° East (view map) | ||||
| Paleocoordinates: | 41.8° North, 10.1° East | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Valanginian | 10 m.y. bin: | Cretaceous 1 |
| Key time interval: | Late/Upper Valanginian | ||
| Age range of interval: | 139.80000 - 132.60000 m.y. ago |
Stratigraphy
| Geological group: | Wealden | Formation: | Tunbridge Wells Sand | Member: | Grinstead Clay |
| Stratigraphy comments: 'Tilgate Grit' (= Grinstead Clay). 'Hastings Beds' now a subgroup that includes the Ashdown Formation, the Wadhurst Clay Formation and the Tunbridge Wells Sand Formation. | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | selective quarrying,surface (in situ) | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | BMNH | ||
| Collectors: | J. Lee, Esq. | Collection dates: | presented 1884 |
Metadata
| Database number: | 123856 | ||
| Authorizer: | R. Benson | Enterer: | R. Benson |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2012-02-01 05:51:19 | Last modified: | 2022-05-10 04:10:04 |
| Access level: | the public | Released: | 2012-02-01 05:51:19 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 41531. | R. Lydekker. 1889. Catalogue of the Fossil Reptilia and Amphibia in the British Museum (Natural History) Part III. The Order Chelonia 1-239 [R. Benson/R. Benson/M. Uhen] |
Secondary references:
| 39848 | W. G. Joyce, S. D. Chapman, R. T. J. Moody and C. A. Walker. 2011. The skull of the solemydid turtle Helochelydra nopcsai from the Early Cretaceous of the Isle of Wight (UK) and a review of Solemydidae. Special Papers in Palaeontology 86:75-97 [R. Benson/R. Benson/D. Nicholson] | |
| 41567 | R. Lydekker. 1889. On certain chelonian remains from the Wealden and Purbeck. Quarterly Journal of the Geological Society 45:511-518 [R. Benson/R. Benson/R. Benson] |