Ocean City, Worcester Co. - Pamlico Fm (Pleistocene): Late/Upper Pleistocene, Maryland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Heterostropha
- Ellobiidae
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Melampus lineatus
Say 1822
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| synonym of Melampus bidentatus | ||||||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Crepidula fornicata
(Linnaeus 1758)
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Crepidula plana
Say 1822
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Gastropoda
- Littorinidae
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Littorina irrorata
(Say 1822)
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| recombined as Littoraria irrorata | ||||||||||
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Gastropoda
- Naticidae
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Polinices duplicatus
(Say 1822)
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| recombined as Neverita duplicatus | ||||||||||
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Gastropoda
- Neogastropoda
- Columbellidae
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Columbella (Anachis) avara
(Say 1822)
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| recombined as Costoanachis avara | ||||||||||
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Gastropoda
- Neogastropoda
- Nassariidae
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Nassarius trivittatus
(Say 1822)
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| recombined as Ilyanassa trivittata | ||||||||||
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Nassarius obsoletus
(Say 1822)
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| recombined as Ilyanassa obsoleta | ||||||||||
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Nassarius vibex
(Say 1822)
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Gastropoda
- Neogastropoda
- Melongenidae
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Busycon carica
(Gmelin 1792)
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Gastropoda
- Neogastropoda
- Muricidae
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Thais haemastoma
(Linnaeus 1767)
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| recombined as Stramonita haemostoma | ||||||||||
| Subspecies: T. haemastoma floridana | ||||||||||
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Eupleura caudata
(Say 1822)
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Bivalvia
- Mytilida
- Mytilidae
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Modiolus demissus
(Dilwyn 1817)
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| recombined as Geukensia demissa | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Aequipecten irradians
(Lamarck 1819)
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| recombined as Argopecten irradians | ||||||||||
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Bivalvia
- Pectinida
- Anomiidae
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Anomia simplex
d'Orbigny 1845
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Bivalvia
- Ostreida
- Ostreidae
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Crassostrea virginica
(Gmelin 1791)
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Bivalvia
- Arcida
- Noetiidae
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Noetia (Eontia) ponderosa
(Say 1822)
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| recombined as Eontia ponderosa | ||||||||||
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Bivalvia
- Arcida
- Arcidae
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Anadara ovalis
(Bruguiere 1789)
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| recombined as Lunarca ovalis | ||||||||||
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Bivalvia
- Cardiida
- Solecurtidae
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Tagelus gibbus
(Spengler 1794)
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| synonym of Tagelus plebeius | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Mercenaria mercenaria
(Linnaeus 1758)
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Bivalvia
- Pholadida
- Myidae
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Mya arenaria
Linnaeus 1758
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| recombined as Mya (Arenomya) arenaria | ||||||||||
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Bivalvia
- Pholadida
- Pholadidae
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Barnea costata
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Bivalvia
- Solenida
- Pharidae
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Ensis directus
(Conrad 1844)
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Maryland | County: | Worcester |
| Coordinates: | 38.6° North, 75.1° West (view map) | ||||
| Paleocoordinates: | 38.5° North, 75.1° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | local area |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Late/Upper Pleistocene | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Late/Upper Pleistocene | ||
| Age range of interval: | 0.12900 - 0.01170 m.y. ago |
Stratigraphy
| Formation: | Pamlico | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: LITHOSTRATIGRAPHY: From Pamlico Formation (Richards 1962). AGE: Sangamon-Wisconsin (MacClintock and Richards 1936), Pleistocene (Richards 1962). | |||||
Lithology and environment
| Primary lithology: | unlithified "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: No detailed lithologic data reported in text. Cape May Formation contains sands and clays, hence siliciclastic. LITHIFICATION: Assumed to be unlithified given age and figured specimens in Richards (1962). | |
| Environment: | marine indet. |
| Geology comments: ENVIRONMENT: No specific environment provided in text for individual collection. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection,survey of museum collection |
| Reason for describing collection: | general faunal/floral analysis |
| Collection method comments: COLLECTORS: Based on collections of Shattock (1906), Smith (1920), Richards (1936), Blake (1955). REPOSITORIES: Collections held in various museums, possibly including the Academy of Natural Sciences, USNM, MCZ (Cambridge), and AMNH. | |
| Taxonomic list comments:COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Not an authoratative publication, and somewhat antiquated. However, all occurrences include species-resolution assignments and list synonymies. | |
Metadata
| Also known as: | Maryland Loc. 1 | ||
| Database number: | 66706 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2006-10-12 18:51:55 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | group members | Released: | 2007-10-12 18:51:55 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 18974. | H. G. Richards. 1962. Studies on the marine Pleistocene: Part II. The marine Pleistocene mollusks of eastern North America. Transactions of the American Philosophocal Society 52(3):1-142 [A. Hendy/A. Hendy] |
Secondary references:
| 19011 | H. G. Richards. 1936. Fauna of the Pleistocene Pamlico Formation of the southern Atlantic coastal Plain. Bulletin of the Geological Society of America 47:1611-1656 [A. Hendy/A. Hendy] |