USGS 25510: Maastrichtian, Mississippi
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Gastropoda
- Turritellidae
|
||||||||||
|
Haustator trilira
(Conrad 1860)
|
||||||||||
| original and current combination Turritella trilira | ||||||||||
| Turritella trilira Morton | ||||||||||
|
Gastropoda
- Neogastropoda
- Fasciolariidae
|
||||||||||
|
Bellifusus sp.
Stephenson 1941
|
||||||||||
| Bellifusus sp. | ||||||||||
|
Bivalvia
- Pectinida
- Limidae
|
||||||||||
|
Pseudolimea reticulata
|
||||||||||
| Lima reticulata Lyell and Forbes | ||||||||||
|
Bivalvia
- Ostreida
- Ostreidae
|
||||||||||
|
Acutostrea plumosa
|
||||||||||
| Ostrea plumosa Morton | ||||||||||
|
Bivalvia
- Arcida
- Cucullaeidae
|
||||||||||
|
Cucullaea capax
Conrad 1858
|
||||||||||
| recombined as Idonearca capax | ||||||||||
| Idonearca capax (Conrad) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Mississippi | County: | Union |
| Coordinates: | 34.5° North, 89.0° West (view map) | ||||
| Paleocoordinates: | 38.2° North, 65.8° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| *Period: | Late/Upper Cretaceous | *Epoch: | Senonian |
| *International age/stage: | Middle Maastrichtian | ||
| Key time interval: | Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Ripley | Member: | Keownville |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | glauconitic silty,calcareous sandstone |
| Lithology description: Sand, brownish-yellow, medium-grained, silty, micaceous, calcareous, sparingly glauconitic, fossiliferous, with a zone of cyclostomatous bryozoans near base of unit. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection excludes: | all microfossils |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USGS |
| Collection method comments: ? L.W. Stephenson and N.F. Sohl 1955 | |
Metadata
| Also known as: | Roadcuts on Mississippi Route 30, on N-facing slope of Wilhite Creek valley from 0.7 to 1.7 miles S of Keownville, Union Co., Miss. | ||
| Database number: | 7607 | ||
| Authorizer: | M. Kosnik | Enterer: | M. Kosnik |
| Modifier: | L. Eccles | Research group: | GCP,marine invertebrate |
| Created: | 2000-07-18 12:00:01 | Last modified: | 2010-11-09 08:52:17 |
| Access level: | the public | Released: | 2000-07-18 12:00:01 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 463. | N. F. Sohl. 1960. Archeogastropoda, Mesogastropoda and stratigraphy of the Ripley, Owl Creek, and Prairie Bluff Formations. US Geological Survey Professional Paper 331:1-151 [M. Kosnik/M. Kosnik] |
Secondary references:
| 29915 | J. A. Sessa, T. J. Bralower, M. E. Patzkowsky, J. C. Handley, and L. C. Ivany. 2012. Environmental and biological controls on the diversity and ecology of Late Cretaceous through early Paleogene marine ecosystems in the US Gulf Coastal Plain. Paleobiology 38(2):218-239 [M. Patzkowsky/J. Sessa/J. Sessa] |