loc. 6: Early Maastrichtian, Puerto Rico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Heterostropha
- Acteonidae
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Trochactaeon woodsi
Rennie 1930
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| see common names | |||||||
Geography
| Country: | Puerto Rico |
| Coordinates: | 18.5° North, 66.4° West (view map) |
| Paleocoordinates: | 19.8° North, 52.5° West (Wright 2013) |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Early Maastrichtian | ||
| Age range of interval: | 72.2 - 66 m.y. ago |
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Includes fossils? | Y |
| Lithology description: limestone float | |
| Environment: | carbonate indet. |
Taphonomy
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | USGS Mesozoic Collection 29861 | ||
| Database number: | 66685 | ||
| Authorizer: | P. Harries | Enterer: | P. Harries |
| Modifier: | P. Harries | Research group: | marine invertebrate |
| Created: | 2006-10-12 12:23:18 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2006-10-12 12:23:18 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 18968. | N. F. Sohl and H. A. Kollmann. 1985. Cretaceous Actaeonellid Gastropods from the Western Hemisphere. United States Geological Survey Professional Paper 1304:1-104 [P. Harries/P. Harries] |