Locality 409 (Windmill Point Beds, St Marys Fm): Late/Upper Miocene, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Turritellidae
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Turritella plebeia
Say 1824
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Ward 1992 | |||||||||
| recombined as Mariacolpus plebeia | ||||||||||
| subspecies plebeia | ||||||||||
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Turritella subvariabilis
d'Orbigny 1852
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Ward 1992 | |||||||||
| subspecies subvariabilis | ||||||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Buccinofusus parilis
(Conrad 1832)
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Ward 1992 | |||||||||
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Gastropoda
- Neogastropoda
- Melongenidae
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Busycotypus rugosum
(Conrad 1843)
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Ward 1992 | |||||||||
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Busycotypus coronatum
(Conrad 1840)
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Ward 1992 | |||||||||
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Busycon fusiforme
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Ward 1992 | |||||||||
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Gastropoda
- Neogastropoda
- Nassariidae
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Nassarius (Tritiaria) peralta
(Conrad 1868)
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Ward 1992 | |||||||||
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Bulliopsis marylandica
(Conrad 1862)
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Ward 1992 | |||||||||
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Bulliopsis quadrata
(Conrad 1830)
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Ward 1992 | |||||||||
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Gastropoda
- Neogastropoda
- Muricidae
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Urosalpinx subrusticus
(d'Orbigny 1852)
|
Ward 1992 | |||||||||
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Ecphora gardnerae
(Wilson 1987)
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Ward 1992 | |||||||||
| subspecies gardnerae | ||||||||||
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Gastropoda
- Neogastropoda
- Terebridae
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Terebra simplex
Conrad 1830
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Ward 1992 | |||||||||
| recombined as Laevihastula simplex | ||||||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus deluvianus
Green 1830
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Ward 1992 | |||||||||
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Bivalvia
- Hiatellida
- Hiatellidae
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Panopea goldfussii
Wagner 1839
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Ward 1992 | |||||||||
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Bivalvia
- Cardiida
- Glossidae
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Glossus santamaria
Ward 1992
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Ward 1992 | |||||||||
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Bivalvia
- Cardiida
- Veneridae
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Mercenaria tetrica
(Conrad 1838)
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Ward 1992 | |||||||||
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Lirophora alevata
|
Ward 1992 | |||||||||
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Dosinia acetabulum
(Conrad 1832)
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Ward 1992 | |||||||||
| subspecies thori | ||||||||||
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Clementia inoceriformis
(Wagner 1839)
|
Ward 1992 | |||||||||
| recombined as Clementia (Clementia) inoceriformis | ||||||||||
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Bivalvia
- Cardiida
- Mactridae
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Mactrodesma subponderosa
(d'Orbigny 1852)
|
Ward 1992 | |||||||||
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Leptomactra delumbis
(Conrad 1832)
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Ward 1992 | |||||||||
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Bivalvia
- Cardiida
- Tellinidae
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Florimetis biplicata
(Conrad 1834)
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Ward 1992 | |||||||||
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Bivalvia
- Cardiida
- Cardiidae
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Chesacardium laqueatum
(Conrad 1830)
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Ward 1992 | |||||||||
| subspecies laqueatum | ||||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Stewartia anodonta
(Say 1824)
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Ward 1992 | |||||||||
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Bivalvia
- Carditida
- Astartidae
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Astarte perplana
Conrad 1840
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Ward 1992 | |||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Chesapecten santamaria
(Tucker 1934)
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Ward 1992 | |||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Crassostrea sp.
Sacco 1897
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Ward 1992 | |||||||||
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Bivalvia
- Arcida
- Arcidae
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Rasia andrewsi
Ward 1992
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Ward 1992 | |||||||||
| recombined as Anadara (Rasia) andrewsi | ||||||||||
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Dallarca idonea
(Conrad 1832)
|
Ward 1992 | |||||||||
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Thecostraca
- Balanomorpha
- Balanidae
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Chesaconcavus santamaria
Zullo 1992
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| 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, 74.4° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Late/Upper Miocene | ||
| Age range of interval: | 11.63000 - 5.33300 m.y. ago |
Stratigraphy
| Geological group: | Chesapeake | Formation: | St Marys | Member: | Windmill Point |
| Regional section: | Shattuck | Regional bed: | 24 | ||
| Regional order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Windmill Point, Chesapeake Bay; Upper Miocene (Tortonian), Windmill Point beds, St Marys Formation, Zone 24. | |||||
Lithology and environment
| Primary lithology: | sandstone |
| Includes fossils? | Y |
| Lithology description: Sandstone | |
| Environment: | offshore |
| Glacial or sequence phase: | transgressive |
| Geology comments: Back-barrier, and shallow inner-bay conditions, punctuated by open shelf (shelly sandy intervals). | |
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
| Also known as: | Windmill Point | ||
| Database number: | 51722 | ||
| Authorizer: | A. Hendy, M. Uhen | Enterer: | A. Hendy, M. Uhen |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2005-06-14 12:26:58 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2005-06-14 12:26:58 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 13777. | 1% 2380 | D. B. Kline. 1997. Systematics and biostratigraphy of Miocene Cirripedia of the Chesapeake Group; Maryland, North Carolina, and Virginia. Unpublished Masters thesis, University of North Carolina, Wilmington [A. Miller/A. Hendy/A. Hendy] |
Secondary references:
| 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] |