Essex Mill, Zone 24: Tortonian, Virginia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Arcida
- Arcidae
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Dallarca idonea
(Conrad 1832)
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Bivalvia
- Ostreida
- Ostreidae
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Crassostrea sp.
Sacco 1897
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Bivalvia
- Ostreida
- Malleidae
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Isognomon (Hippochaeta) sp.
()
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Bivalvia
- Pectinida
- Pectinidae
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Chesapecten santamaria
(Tucker 1934)
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Bivalvia
- Carditida
- Astartidae
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Astarte perplana
Conrad 1840
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Bivalvia
- Lucinida
- Lucinidae
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Lucinoma contracta
(Say 1824)
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Bivalvia
- Cardiida
- Cardiidae
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Chesacardium laqueatum
(Conrad 1830)
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| subspecies laqueatum | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Lirophora alveata
(Conrad 1831)
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| recombined as Lirophora (Lirophora) alveata | ||||||||||
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Dosinia acetabulum
(Conrad 1832)
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| subspecies thori | ||||||||||
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Mercenaria tetrica
(Conrad 1838)
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Bivalvia
- Cardiida
- Mactridae
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Mactrodesma subponderosa
(d'Orbigny 1852)
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Leptomactra delumbis
(Conrad 1832)
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Bivalvia
- Cardiida
- Glossidae
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Glossus santamaria
Ward 1992
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Bivalvia
- Hiatellida
- Hiatellidae
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Panopea goldfussii
Wagner 1839
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Gastropoda
- Turritellidae
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Turritella plebeia
Say 1824
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| recombined as Mariacolpus plebeia | ||||||||||
| subspecies plebeia | ||||||||||
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Turritella subvariabilis
d'Orbigny 1852
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| subspecies subvariabilis | ||||||||||
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Gastropoda
- Neogastropoda
- Melongenidae
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Busycotypus coronatum
(Conrad 1840)
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Busycotypus rugosum
(Conrad 1843)
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Gastropoda
- Neogastropoda
- Nassariidae
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Bulliopsis quadrata
(Conrad 1830)
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Nassarius (Tritiaria) peralta
(Conrad 1868)
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Buccinofusus parilis
(Conrad 1832)
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Gastropoda
- Neogastropoda
- Conidae
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Conus deluvianus
Green 1830
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Gastropoda
- Neogastropoda
- Terebridae
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Terebra simplex
Conrad 1830
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| recombined as Laevihastula simplex | ||||||||||
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Gastropoda
- Neogastropoda
- Muricidae
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Urosalpinx subrusticus
(d'Orbigny 1852)
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Ecphora gardnerae
(Wilson 1987)
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| subspecies gardnerae | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Virginia | County: | Essex |
| Coordinates: | 37.9° North, 76.8° West (view map) | ||||
| Paleocoordinates: | 38.0° North, 74.8° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Tortonian | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Tortonian | ||
| Age range of interval: | 11.63000 - 7.24600 m.y. ago |
Stratigraphy
| Geological group: | Chesapeake | Formation: | Saint Marys | Member: | Windmill Point |
| Regional section: | Shattuck | Regional bed: | 24 | ||
| Regional order: | bottom to top |
Lithology and environment
| Primary lithology: | very fine,gray,green silty sandstone |
| Lithology description: sand, very fine, silty, olive-gray | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | Essex Millpond | ||
| Database number: | 71632 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | M. Uhen | Research group: | vertebrate |
| Created: | 2007-05-02 08:59:26 | Last modified: | 2018-09-27 10:34:27 |
| Access level: | the public | Released: | 2007-05-02 08:59:26 |
| 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] |