High Bridge: Chatfieldian, Kentucky
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhombifera
- Pleurocystitidae
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Amecystis laevis
(Raymond 1921)
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Parsley 1970 | ||||||
| original and current combination Pleurocystites laevis | |||||||
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Paracrinoidea
- Comarocystitida
- Amygdalocystitidae
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Amygdalocystites florealis
Billings 1854
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Kentucky | County: | Jessamine |
| Coordinates: | 37.8° North, 84.6° West (view map) | ||||
| Paleocoordinates: | 27.5° South, 63.3° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | basin |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| 10 m.y. bin: | Ordovician 4-5 | ||
| Key time interval: | Chatfieldian | ||
| Age range of interval: | 453.70000 - 451.10000 m.y. ago |
Stratigraphy
| Formation: | Lexington Limestone | Member: | Curdsville Limestone |
| Stratigraphic resolution: | member |
Lithology and environment
| Primary lithology: | "cross stratification",phosphatic,shelly/skeletal lithified sandy,cherty/siliceous grainstone | ||
| Secondary lithology: | phosphatic,shelly/skeletal lithified sandy,cherty/siliceous packstone | ||
| Includes fossils? | Y | ||
| Includes fossils? | Y | ||
| Environment: | deep subtidal ramp | Tectonic setting: | cratonic basin |
| Geology comments: environmental call based on field notes of Holland and Patzkowsky | |||
Taphonomy
| Modes of preservation: | body,original calcite,replaced with silica,replaced with phosphate |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | USNM |
Metadata
| Database number: | 197152 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2018-10-23 23:58:47 | Last modified: | 2018-10-23 23:58:47 |
| Access level: | the public | Released: | 2018-10-23 23:58:47 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 67187. | R. L. Parsley and L. W. Mintz. 1975. North American Paracrinoidea: (Ordovician: Paracrinozoa, new: Echinodermata). Bulletins of American Paleontology 68:1-115 [P. Wagner/P. Wagner] |
Secondary references:
| 50167 | R. L. Parsley. 1970. Revision of the North American Pleurocystitidae (Rhombifera-Cystoidea). Bulletins of American Paleontology 58:135-213 [P. Wagner/P. Wagner] |