Speeton Section (7-8 m) [Speeton Beck Mbr, Red Chalk]: Late Albian, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Crinoidea
- Roveacrinida
- Roveacrinidae
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Styracocrinus peracutus
(Peck 1943)
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C category | ||||||
| see common names | |||||||
Geography
| Country: | United Kingdom | State/province: | England |
| Coordinates: | 54.2° North, 0.2° West (view map) | ||
| Paleocoordinates: | 51.1° North, 18.7° East (Wright 2013) | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Late Albian | Ammonoid zone: | varicosum |
| Age range of interval: | 106.3 - 100.5 m.y. ago |
Stratigraphy
| Formation: | Red Chalk | Member: | Speeton Beck | ||
| Local section: | Speeton | Local bed: | 7.5 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Speeton Beck Member of the Red Chalk, which overlies the Speeton Clay (middle Albian). AGE: Late Albian; Mortoniceras inflatum/varicosum ammonoid zones. STRATIGRAPHIC POSITION: From 7-8 m above base of measured section (Fig. 3). | |||||
Lithology and environment
| Primary lithology: | poorly lithified chalk |
| Lithology description: SPECIFIC LITHOLOGY: Chalk LITHIFICATION: Assumed to be poorly-lithified. | |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body,original calcite |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | bulk,surface (in situ),sieve,field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: COLLECTORS: Unknown. REPOSITORY: Liverpool Museum (LIVCM). | |
| Taxonomic list comments:COVERAGE: Exhaustive for crinoids; presumably ammonites are also present. NOMENCLATURE: Authoritative publication, with modern nomenclature, and some species-resolution identifications. | |
Metadata
| Database number: | 161946 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2014-09-16 14:47:03 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2014-09-16 14:47:03 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 52759. | S. F. Mitchell and D. Langner. 1995. Palaeobiology of isocrinid crinoids from the Red Chalk (Albian, Lower Cretaceous) of North− east England. Echinoderm Research 197-207 [A. Hendy/A. Hendy] |