Windmill Point, Zones 22-23: Tortonian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Malacostraca
- Decapoda
- Cancridae
|
|||||||
|
Cancer zahrae
Bahman et al. 2020
|
Bahman et al. 2020 | ||||||
|
Gastropoda
- Neogastropoda
- Terebridae
|
|||||||
|
Terebra simplex
Conrad 1830
|
|||||||
|
Gastropoda
- Neogastropoda
- Nassariidae
|
|||||||
|
Nassarius (Tritiaria) peralta
(Conrad 1868)
|
|||||||
|
Gastropoda
- Turritellidae
|
|||||||
|
Turritella plebeia plebeia
Ward 1992
|
|||||||
|
Bivalvia
- Hiatellida
- Hiatellidae
|
|||||||
|
Panopea goldfussii
Wagner 1839
|
|||||||
|
Bivalvia
- Cardiida
- Veneridae
|
|||||||
|
Mercenaria cuneata
Conrad 1869
|
|||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Maryland | County: | Dorchester |
| Coordinates: | 38.3° North, 76.1° West (view map) | ||||
| Paleocoordinates: | 38.4° North, 74.1° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Tortonian | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Tortonian | ||
| Age range of interval: | 11.63 - 7.246 m.y. ago |
Stratigraphy
| Geological group: | Chesapeake | Formation: | St Marys | Member: | Little Cove Point |
| Regional section: | Shattuck | Regional bed: | 22-23 | ||
| Regional order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Mollusk Zone 10 | |||||
Lithology and environment
| Primary lithology: | very fine silty sandstone |
| Includes fossils? | Y |
| Lithology description: sand, silty, very fine | |
| Environment: | offshore |
| Glacial or sequence phase: | transgressive |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Probably collected from individuals specimens. Collection of Zullo | |
| Taxonomic list comments:Exhaustive for Cirripdia. Not complete with respect to molluscan fauna. Type material is reposited in USNM, ANSP, and University of North Carolina, Wilmington. | |
Metadata
| Database number: | 71631 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | M. Uhen | Research group: | marine invertebrate |
| Created: | 2007-05-02 08:42:14 | Last modified: | 2008-08-18 13:46:52 |
| Access level: | the public | Released: | 2007-05-02 08:42:14 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 16985. | L. W. Ward. 1992. Molluscan biostratigraphy of the Miocene Middle Atlantic Coastal Plain of North America. Virginia Museum of Natural History 2 [A. Miller/A. Hendy] |
Secondary references:
| 86572 | decapod | H. Bahman, R. M. Feldmann, and C. E. Schweitzer. 2020. Systematics and paleoecology of Miocene brachyuran crabs (Decapoda: Brachyura: Cancroidea, Portunidae) from the St. Marys Formation, Maryland, USA. Journal of Crustacean Biology 40:256-268 [C. Schweitzer/C. Schweitzer] |
| 27984 | S. M. Kidwell. 1997. Anatomy of extremely thin marine sequences landward of a passive-margin hinge zone: Neogene Calvert Cliffs Succession, Maryland, U.S.A. Journal of Sedimentary Research 67(2):322-340 [M. Uhen/M. Uhen] |