Kingsthorpe, 'Upper Liassic': Falciferum - Bifrons, United Kingdom
collected by H. Gerald Thornton esq. >1922
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Plesiosauria
- Rhomaleosauridae
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Rhomaleosaurus thorntoni n. sp.
Andrews 1922
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1 specimen | |||||||||
synonym of Rhomaleosaurus zetlandicus | ||||||||||
BMNH R4853 (holotype partial skeleton) | ||||||||||
Thaumatosaurus cramptoni
(Carte and Baily 1863)
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Lydekker 1889 | 1 specimen | ||||||||
recombined as Rhomaleosaurus cramptoni | ||||||||||
BMNH 47154, juvenile fibula from the Sharp collection, purchased 1876 | ||||||||||
see common names |
Geography
Country: | United Kingdom | State/province: | England | County: | Northamptonshire |
Coordinates: | 52.3° North, 0.9° West (view map) | ||||
Paleocoordinates: | 40.2° North, 9.6° East | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | hand sample |
Time
Period: | Jurassic | Epoch: | Early/Lower Jurassic |
Stage: | Toarcian | 10 m.y. bin: | Jurassic 3 |
Key time interval: | Falciferum - Bifrons | Zone: | Harpoceras falciferum to Hildoceras bifrons |
Age range of interval: | 184.20000 - 174.70000 m.y. ago |
Stratigraphy
Formation: | Whitby Mudstone | ||||
Stratigraphy comments: 'Upper Liassic' strata in this region are Toarcian |
Lithology and environment
Primary lithology: | not reported |
Environment: | marine 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: | H. Gerald Thornton esq. | Collection dates: | >1922 |
Metadata
Database number: | 118939 | ||
Authorizer: | R. Benson | Enterer: | R. Benson |
Modifier: | R. Benson | Research group: | vertebrate |
Created: | 2011-10-18 19:43:32 | Last modified: | 2013-09-16 04:58:59 |
Access level: | the public | Released: | 2011-10-18 19:43:32 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
38191. | C. W. Andrews. 1922. Note on the skeleton of a large plesiosaur (Rhomaleosaurus thorntoni, sp. n) from the Upper Lias of Northamptonshire. Annals and Magazine of Natural History 10:407-415 [R. Benson/R. Benson] |
Secondary references:
38190 | A. R. I. Cruickshank. 1996. The cranial anatomy of Rhomaleosaurus thorntoni Andrews (Reptilia, Plesiosauria). Bulletin of the Natural History Museum of London (Geology) 52(2):109-114 [R. Benson/R. Benson] | |
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] |