Dimmer Camp, pit 2, bed 5: Oxynotum, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Actinopterygii
|
||||||||||
|
Actinopterygii indet.
Cope 1887
|
||||||||||
| "indet. fish remains" | ||||||||||
|
Rhynchonellata
- Rhynchonellida
|
||||||||||
|
Rhynchonellida indet.
Kuhn 1949
|
||||||||||
|
Rhynchonellata
- Terebratulida
- Zeilleriidae
|
||||||||||
|
Cincta numismalis
(Lamarck 1819)
|
||||||||||
|
Zeilleria perforata
(Piette 1856)
|
||||||||||
|
Cephalopoda
- Ammonitida
- Echioceratidae
|
||||||||||
|
Palaeoechioceras spirale
(Trueman and Williams 1927)
|
||||||||||
|
Cephalopoda
- Ammonitida
- Oxynoticeratidae
|
||||||||||
|
Oxynoticeras oxynotum
(Quenstedt 1843)
|
||||||||||
|
Gleviceras glevense
Buckman 1918
|
||||||||||
|
Cheltonia acciptris
Buckman 1923
|
||||||||||
|
Cephalopoda
- Ammonitida
- Eoderoceratidae
|
||||||||||
|
Bifericeras sp.
|
||||||||||
|
Bifericeras bifer
(Quenstedt 1845)
|
||||||||||
|
Bifericeras nudicosta
(Quenstedt 1845)
|
||||||||||
|
Cephalopoda
- Belemnitida
|
||||||||||
|
Belemnitida indet.
Zittel 1895
|
||||||||||
|
Gastropoda
|
||||||||||
|
Gastropoda indet.
Cuvier 1795
|
||||||||||
| Turbinid and spired gastropods | ||||||||||
|
Bivalvia
- Nuculanida
- Polidevciidae
|
||||||||||
|
Ryderia doris
(d'Orbigny 1849)
|
||||||||||
| original and current combination Leda doris | ||||||||||
|
Bivalvia
- Pectinida
|
||||||||||
|
Pectinida indet.
(Gray 1854)
|
||||||||||
|
Bivalvia
- Pectinida
- Oxytomidae
|
||||||||||
|
Oxytoma inequivalvis
(Sowerby 1819)
|
||||||||||
|
Bivalvia
- Pectinida
- Limidae
|
||||||||||
|
Plagiostoma sp.
Sowerby 1814
|
||||||||||
|
Bivalvia
- Ostreida
- Gryphaeidae
|
||||||||||
|
Gryphaea sp.
Lamarck 1801
|
||||||||||
|
Bivalvia
- Lucinida
|
||||||||||
|
Lucinoidea indet.
Fleming 1828
|
||||||||||
| Lucinoid indet. -? Mactromya | ||||||||||
|
unclassified
|
||||||||||
|
Crustacea indet.
Brünnich 1772
|
||||||||||
| invalid subgroup of Pancrustacea | ||||||||||
| "indet. crustacean remains" | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United Kingdom | State/province: | Somerset |
| Coordinates: | 51.1° North, 2.5° West (view map) | ||
| Paleocoordinates: | 37.8° North, 4.0° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Sinemurian | 10 m.y. bin: | Jurassic 1 |
| Key time interval: | Oxynotum | ||
| Age range of interval: | 199.50000 - 192.90000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Oxynotum subzone. 5.7 m thick. | |||||
Lithology and environment
| Primary lithology: | gray,blue lithified claystone |
| Environment: | offshore |
| Geology comments: The lack of ripple lamination and scour structures also indicates that the sediment accumulated at depths below storm wave base. | |
Taphonomy
| Modes of preservation: | body,original calcite,replaced with pyrite |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | BMNH |
Metadata
| Database number: | 159471 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2014-08-02 18:47:41 | Last modified: | 2014-08-02 18:47:41 |
| Access level: | the public | Released: | 2014-08-02 18:47:41 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 52119. | N. T. J. Hollingworth, D. J. Ward, M. J. Simms and P. Clothier. 1990. A temporary exposure of Lower Lias (Late Sinemurian) at Dimmer Camp, Castle Cary, Somerset, south-west England. Mesozoic Research 2:163-180 [M. Clapham/M. Clapham] |