Langleys Bluff, St. Mary's Co. - Talbot Fm (Pleistocene): Late/Upper Pleistocene, Maryland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Acantodesia oblongula
Blake 1953
Cytheris tuberculata
Blake 1953
Elphidiidae
Elphidium incertum
Blake 1953
Rotaliidae
Rotalia beccarii
Blake 1953
Globothalamea - Rotaliida - Nonionidae
? Nonion sloanii
Blake 1953
Globothalamea - Rotaliida - Discorbidae
Eponides frigida
Blake 1953
Buliminidae
Entosolenia lucida
Blake 1953
Echinoidea - Spatangoida - Schizasteridae
? Moira atropos (Lamarck 1816)
Blake 1953
Asteroidea - Asteriidae
Asterias cf. forbesi
Blake 1953
Gastropoda - Epitoniidae
Epitonium rupicolum (Kurtz 1860)
recombined as Epitonium rupicola
Epitonium angulatum (Say 1831)
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula fornicata (Linnaeus 1758)
Crepidula plana Say 1822
Gastropoda - Naticidae
Polinices duplicatus (Say 1822)
recombined as Neverita duplicatus
Gastropoda - Neogastropoda - Melongenidae
Busycon canaliculatum (Linnaeus 1758)
recombined as Busycotypus canaliculatus
Busycon carica (Gmelin 1792)
Gastropoda - Neogastropoda - Nassariidae
Nassarius obsoletus (Say 1822)
recombined as Ilyanassa obsoleta
Nassarius trivittatus (Say 1822)
recombined as Ilyanassa trivittata
Gastropoda - Neogastropoda - Columbellidae
Columbella (Astyris) lunata (Say 1826)
recombined as Astyris lunata
Gastropoda - Neogastropoda - Muricidae
Eupleura caudata (Say 1822)
Gastropoda - Neogastropoda - Mangeliidae
Mangilia cerina (Kurtz and Stimpson 1851)
recombined as Kurtziella cerina
Gastropoda - Opisthobranchia - Cylichnidae
Retusa canaliculata (Say 1826)
recombined as Acteocina canaliculata
Gastropoda - Opisthobranchia - Haminoeidae
Haminoea solitaria
Bivalvia - Nuculanida - Nuculanidae
Nuculana acuta (Conrad 1832)
Bivalvia - Nuculida - Nuculidae
Nucula proxima Say 1820
recombined as Nucula (Nucula) proxima
Bivalvia - Pandorida - Lyonsiidae
Lyonsia hyalina (Conrad 1831)
Bivalvia - Pholadida - Pholadidae
Barnea costata
Bivalvia - Pholadida - Myidae
Mya arenaria Linnaeus 1758
recombined as Mya (Arenomya) arenaria
Bivalvia - Cardiida - Veneridae
Pitar morrhuana (Dall 1902)
recombined as Pitar morrhuanus
Mercenaria mercenaria (Linnaeus 1758)
Bivalvia - Cardiida - Mactridae
Rangia cuneata (Sowerby 1831)
Mulinia lateralis (Say 1822)
Bivalvia - Cardiida - Montacutidae
Mysella planulata
Bivalvia - Cardiida - Solecurtidae
Tagelus gibbus (Spengler 1794)
synonym of Tagelus plebeius
Bivalvia - Lucinida - Lucinidae
Lucina multilineata (Conrad 1841)
recombined as Parvilucina multistriata
Bivalvia - Ostreida - Ostreidae
Crassostrea virginica (Gmelin 1791)
Bivalvia - Arcida - Arcidae
Anadara transversa (Say 1822)
recombined as Anadara (Larkinia) transversa
Bivalvia - Arcida - Noetiidae
Noetia (Eontia) ponderosa (Say 1822)
recombined as Eontia ponderosa
Gymnolaemata - Cheilostomata - Schizoporellidae
Schizoporella unicornis (Johnston 1847)
Blake 1953
Gymnolaemata - Cheilostomata - Electridae
Electra monostachys (Busk 1854)
Blake 1953
Ostracoda - Podocopida - Cytherideidae
Cytheridea punctillata
Blake 1953
Ostracoda - Podocopida - Loxoconchidae
Loxoconcha impressa
Blake 1953
Malacostraca - Decapoda - Panopeidae
Panopeus herbstii Edwards 1834
Blake 1953
Malacostraca - Decapoda - Cancridae
Cancer irroratus Say 1817
Blake 1953
Malacostraca - Decapoda - Portunidae
Callinectes sapidus Rathbun 1896
Blake 1953
Malacostraca - Stomatopoda - Chloridellidae
Squilla empusa Say 1818
Blake 1953
recombined as Chloridella empusa
Thecostraca - Balanomorpha - Balanidae
Balanus crenatus Bruguière 1789
Blake 1953
Demospongiae - Clavulina - Clionaidae
Cliona sulphurea
Blake 1953
see common names

Geography
Country:United States State/province:Maryland County:St. Mary's
Coordinates: 38.1° North, 76.4° West (view map)
Paleocoordinates:38.1° North, 76.4° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
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:Talbot
Stratigraphic resolution:group of beds
Stratigraphy comments: LITHOSTRATIGRAPHY: From Talbot Formation (Richards 1962). AGE: Sangamon (Rasmussen and Slaughter 1955, 1957), 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:cast
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. 15
Database number:66720
Authorizer:A. Hendy, M. Uhen Enterer:A. Hendy, M. Uhen
Modifier:A. Hendy Research group:marine invertebrate
Created:2006-10-12 19:30:44 Last modified:2013-11-25 13:37:23
Access level:group members Released:2007-10-12 19:30:44
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:

19012 S. F. Blake. 1953. The Pleistocene marine fauna of Wailes Bluff and Langley Bluff, Maryland. Smithsonian Miscellaneous Collections 121(2):1-32 [A. Hendy/A. Hendy/N. Heim]
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]