Coombe Quarry, Mapperton, Bed Z: Opalinum, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Graphoceratidae
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| see common names | |||||||
Geography
| Country: | United Kingdom |
| Coordinates: | 50.8° North, 2.7° West (view map) |
| Paleocoordinates: | 36.3° North, 20.5° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Aalenian | 10 m.y. bin: | Jurassic 3 |
| Key time interval: | Opalinum | ||
| Age range of interval: | 174.7 - 170.9 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | gray lithified sandy "limestone" |
| Lithology description: Limestone, pale grey (fresh), hard, slightly sandy, no pellets | |
| Environment: | shallow subtidal indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 141358 | ||
| Authorizer: | M. Aberhan | Enterer: | T. Schossleitner |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2013-03-26 00:36:35 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2013-03-26 00:36:35 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 45963. | R. Chandler and J. Callomon. 2009. The Inferior Oolite at Coombe Quarry, near Mapperton, Dorset, and a new Middle Jurassic ammonite faunal horizon, Aa-3b, Leioceras comptocostosum n.biosp. in the Scissum Zone of the Lower Aalenian. Proceedings of the Dorset Natural History and Archaeological Society 130:99-132 [M. Aberhan/T. Schossleitner] |