Chancellor Point, Zone 24: Tortonian, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Theropoda
- Alcidae
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Alca cf. torda
Linnaeus 1758
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Martin et al. 2000 | ||||||
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unclassified
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Conus diluvianus
Green 1830
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Bivalvia
- Cardiida
- Veneridae
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Venus campechiensis mortoni
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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
- Lucinida
- Lucinidae
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Phacoides anodonata
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Stewartia anodonta
(Say 1824)
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Ward 1992 | ||||||
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Bivalvia
- Hiatellida
- Hiatellidae
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Panopea goldfussi
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Panopea goldfussii
Wagner 1839
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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 laqueatum
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 alveata
(Conrad 1831)
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Ward 1992 | ||||||
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Dosinia acetabulum thori
Ward 1992
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Ward 1992 | ||||||
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Clementia inoceriformis
(Wagner 1839)
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Ward 1992 | ||||||
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Callocardia sayana
(Conrad 1833)
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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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Isocardia fraterna
Say 1824
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Bivalvia
- Cardiida
- Mactridae
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Mactrodesma subponderosa
(d'Orbigny 1852)
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Ward 1992 | ||||||
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Leptomactra delumbis
(Conrad 1832)
|
Ward 1992 | ||||||
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Bivalvia
- Arcida
- Arcidae
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Dallarca idonea
(Conrad 1832)
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Ward 1992 | ||||||
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Rasia andrewsi
Ward 1992
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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
- Ostreida
- Malleidae
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Isognomon (Hippochaeta) sp.
()
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Ward 1992 | ||||||
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Bivalvia
- Pectinida
- Pectinidae
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Pecten madisonius
Say 1824
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Chesapecten santamaria
(Tucker 1934)
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Ward 1992 | ||||||
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Pecten jeffersonius
Say 1824
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Gastropoda
- Heterostropha
- Acteonidae
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Actaeon ovoides
Conrad 1830
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Gastropoda
- Opisthobranchia
- Retusidae
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Retusa marylandica
Martin 1904
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Gastropoda
- Neogastropoda
- Nassariidae
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Bulliopsis marylandica
(Conrad 1862)
|
Ward 1992 | ||||||
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Bulliopsis quadrata
(Conrad 1830)
|
Ward 1992 | ||||||
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Nassarius (Tritiaria) peralta
(Conrad 1868)
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Ward 1992 | ||||||
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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 coronatum
(Conrad 1840)
|
Ward 1992 | ||||||
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Busycotypus rugosum
(Conrad 1843)
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Ward 1992 | ||||||
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Busycon fusiforme
|
Ward 1992 | ||||||
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Fulgur fusiforme
(Conrad 1840)
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Gastropoda
- Neogastropoda
- Muricidae
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Ecphora gardnerae gardnerae
Petuch 1988
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Ward 1992 | ||||||
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Urosalpinx subrusticus
(d'Orbigny 1852)
|
Ward 1992 | ||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus deluvianus
Green 1830
|
Ward 1992 | ||||||
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Gastropoda
- Neogastropoda
- Terebridae
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Terebra simplex
Conrad 1830
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Ward 1992 | ||||||
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Terebra curvilirata
Conrad 1843
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Gastropoda
- Neogastropoda
- Costellariidae
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Surcula engonata
Conrad 1862
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Gastropoda
- Turritellidae
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Turritella subvariabilis subvariabilis
Ward 1992
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Ward 1992 | ||||||
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Turritella variabilis
Conrad 1830
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Turritella plebeia plebeia
Ward 1992
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Ward 1992 | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Maryland | County: | St. Marys |
| Coordinates: | 38.2° North, 76.4° West (view map) | ||||
| Paleocoordinates: | 38.3° North, 74.4° West | ||||
| Basis of coordinate: | estimated from map | ||||
| 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: | Saint Marys | Member: | Windmill Point |
| Regional section: | Shattuck | Regional bed: | 24 | ||
| Regional order: | bottom to top |
Lithology and environment
| Primary lithology: | blue sandy claystone |
| Includes fossils? | Y |
| Lithology description: bluish sandy clay | |
| 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
| Database number: | 70853 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | M. Uhen | Research group: | marine invertebrate,vertebrate |
| Created: | 2007-04-09 15:07:41 | Last modified: | 2018-09-27 10:33:36 |
| Access level: | the public | Released: | 2007-04-09 15:07:41 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 23697. | G. B. Shattuck. 1904. Geological and paleontological relations, with a review of earlier investigations. Maryland Geological Survey Miocene Text xxxiii-clv [M. Uhen/M. Uhen] |
Secondary references:
| 29776 | J. W. R. Martin, C. A. Walker, H. C. Bonser and G. J. Dyke. 2000. A new species of large auk from the Pliocene of Belgium. Oryctos 3:53-60 [M. Uhen/M. Uhen] | |
| 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] |