Isle of Portland (Portlandemys type locality): Tithonian, United Kingdom
collected 1904
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Plesiochelyidae
|
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|
Stegochelys planiceps
(Owen 1842)
|
2 specimens | |||||||||
| BMNH R2914, R3163 (partial crania), R3164 (mandible) (note: Ref 55678, Anquetin et al, 2015, states NHMUK R3163 is not referable to this taxon) | ||||||||||
|
= Portlandemys mcdowelli n. gen., n. sp.
Gaffney 1975
|
Gaffney 1975 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United Kingdom | State/province: | England | County: | Dorset |
| Coordinates: | 50.6° North, 2.4° West (view map) | ||||
| Paleocoordinates: | 41.3° North, 7.6° East | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | local area |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Stage: | Tithonian | 10 m.y. bin: | Jurassic 6 |
| Key time interval: | Tithonian | ||
| Age range of interval: | 149.20000 - 145.00000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Portlandian | |||||
Lithology and environment
| Primary lithology: | ooidal "limestone" |
| Includes fossils? | Y |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | selective quarrying,surface (in situ),mechanical |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | BMNH | Collection dates: | 1904 |
| Collection method comments: Bought from R.F. Damon, Jan. 1904 | |
Metadata
| Database number: | 137748 | ||
| Authorizer: | R. Benson | Enterer: | R. Benson |
| Modifier: | R. Benson | Research group: | vertebrate |
| Created: | 2012-12-19 03:01:39 | Last modified: | 2012-12-18 10:07:16 |
| Access level: | the public | Released: | 2012-12-19 03:01:39 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 44042. | T. S. Parsons and E. E. Williams. 1961. Two Jurassic turtle skulls: a morphological study. Bulletin of the Museum of COmparative Zoology 125(3):43-107 [R. Benson/R. Benson] |
Secondary references:
| 44041 | E. S. Gaffney. 1975. A taxonomic revision of the Jurassic turtles Portlandemys and Plesiochelys. American Museum Novitates 2574:1-19 [R. Benson/R. Benson] |