Wailes Bluff, St. Mary's Co. - Talbot Fm (Pleistocene) (Pleistocene of the United States)

Also known as Maryland Loc. 16

Where: St. Mary's County, Maryland (38.1° N, 76.4° W: paleocoordinates 38.1° N, 76.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Talbot Formation, Late/Upper Pleistocene (0.1 - 0.0 Ma)

• LITHOSTRATIGRAPHY: From Talbot Formation (Richards 1962). AGE: Sangamon (Rasmussen and Slaughter 1955, 1957), Pleistocene (Richards 1962). STRATIGRAPHIC POSITION: The bluff rises 15 feet above the beach and is highly fossiliferous.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; unlithified, shelly/skeletal siliciclastic sediments

• ENVIRONMENT: No specific environment provided in text for individual collection.
• SPECIFIC LITHOLOGY: No detailed lithologic data reported in text. Highly fossiliferous. LITHIFICATION: Assumed to be unlithified given age and figured specimens in Richards (1962).

Size class: macrofossils

Preservation: cast

Collection methods: 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.

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 66721: authorized by Austin Hendy, entered by Austin Hendy on 12.10.2006, edited by Samantha Yost

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Not an authoratative publication, and somewhat antiquated. However, all occurrences include species-resolution assignments and list synonymies.
unclassified
  -
Callinassa atlantica
Frank Burns, (2032): one movable, one immovable finger, Cat. No. 371724; W.C. Mansfield, (8932): one movable finger, Cat. No. 371725; USNM
Gastropoda
 Opisthobranchia - Cylichnidae
"Retusa canaliculata" = Acteocina canaliculata
"Retusa canaliculata" = Acteocina canaliculata Say 1826 barrel-bubble
 Neotaenioglossa - Calyptraeidae
Crepidula fornicata Linnaeus 1758 slipper shell
Crepidula plana Say 1822 slipper shell
 Epitonioidea - Epitoniidae
"Epitonium rupicolum" = Epitonium rupicola Kurtz 1860 wentletrap
Epitonium humphreysii Kiener 1838 wentletrap
Epitonium multistriatum Say 1826 wentletrap
 Sorbeoconcha - Naticidae
"Polinices duplicatus" = Neverita duplicatus
"Polinices duplicatus" = Neverita duplicatus Say 1822 moon snail
 Sorbeoconcha - Cerithiopsidae
"Seila adamsi" = Seila adamsii
"Seila adamsi" = Seila adamsii Lea 1845 snail
 Sorbeoconcha - Triphoridae
 Sorbeoconcha - Tornidae
"Teinostoma cryptospira" = Teinostoma umbilicatum
"Teinostoma cryptospira" = Teinostoma umbilicatum Lea 1843 snail
 Neogastropoda - Columbellidae
"Columbella (Astyris) lunata" = Astyris lunata
"Columbella (Astyris) lunata" = Astyris lunata Say 1826 snail
 Neogastropoda - Nassariidae
"Nassarius trivittatus" = Ilyanassa trivittata
"Nassarius trivittatus" = Ilyanassa trivittata Say 1822 snail
 Neogastropoda - Melongenidae
Busycon carica Gmelin 1792 whelk
 Neogastropoda - Mangeliidae
"Mangilia cerina" = Kurtziella cerina
"Mangilia cerina" = Kurtziella cerina Kurtz and Stimpson 1851 snail
 Neogastropoda - Terebridae
"Terebra dislocata" = Strioterebrum dislocatum
"Terebra dislocata" = Strioterebrum dislocatum Say 1822 auger snail
 Neogastropoda - Muricidae
Urosalpinx cinerea Say 1822 murex snail
Eupleura caudata Say 1822 murex snail
Bivalvia
 Nuculanida - Nuculanidae
Nuculana acuta Conrad 1832 pointed nut clam
 Nuculanida - Yoldiidae
Yoldia limatula Say 1831 clam
 Nuculida - Nuculidae
"Nucula proxima" = Nucula (Nucula) proxima
"Nucula proxima" = Nucula (Nucula) proxima Say 1820 Atlantic Nut Clam
 Mytilida - Mytilidae
"Modiolus modiolus" = Modiolus (Modiolus) modiolus, "Brachidontes recurvus" = Ischadium recurvum
"Modiolus modiolus" = Modiolus (Modiolus) modiolus Linnaeus 1758 mussel
"Brachidontes recurvus" = Ischadium recurvum Rafinesque 1820 mussel
 Ostreida - Ostreidae
Crassostrea virginica Gmelin 1791 oyster
 Arcida - Noetiidae
"Noetia (Eontia) ponderosa" = Eontia ponderosa, Eontia palmerae
"Noetia (Eontia) ponderosa" = Eontia ponderosa Say 1822 clam
Eontia palmerae MacNeil 1938 clam
 Arcida - Arcidae
"Anadara transversa" = Anadara (Larkinia) transversa
"Anadara transversa" = Anadara (Larkinia) transversa Say 1822 ark
 Cardiida - Lasaeidae
Aligena elevata Stimpson 1851 aligena
 Cardiida - Semelidae
Cumingia tellinoides Conrad 1831 clam
 Cardiida - Solecurtidae
"Tagelus gibbus" = Tagelus plebeius
"Tagelus gibbus" = Tagelus plebeius Lightfoot 1786 clam
 Cardiida - Tellinidae
"Tellina agilis" = Angulus agilis, "Macoma balthica" = Macoma (Macoma) balthica, "Macoma calcarea" = Macoma (Macoma) calcarea
"Tellina agilis" = Angulus agilis Stimpson 1857 tellin clam
"Macoma balthica" = Macoma (Macoma) balthica Linnaeus 1758 tellin clam
"Macoma calcarea" = Macoma (Macoma) calcarea Gmelin 1792 tellin clam
 Cardiida - Veneridae
Mercenaria campechiensis Gmelin 1791 quahog
Mercenaria mercenaria Linnaeus 1758 quahog
"Pitar morrhuana" = Pitar morrhuanus Dall 1902 venus clam
"Petricola pholadiformis" = Petricolaria pholadiformis Lamarck 1818 venus clam
Gemma gemma Totten 1834 venus clam
 Cardiida - Mactridae
"Spisula solidissima" = Hemimactra solidissima Dilwyn 1817 clam
Mulinia lateralis Say 1822 clam
Rangia cuneata Sowerby 1831 clam
 Cardiida - Montacutidae
 Pholadida - Myidae
"Mya arenaria" = Mya (Arenomya) arenaria
"Mya arenaria" = Mya (Arenomya) arenaria Linnaeus 1758 softshell clam
 Pholadida - Pholadidae
Martesia cuneiformis Say 1822 clam
SPELLING CHANGED: Originally M. cunieformis
 Pholadida - Teredinidae
 Solenida - Pharidae
Ensis directus Conrad 1844 clam
 Pandorida - Pandoridae
"Pandora gouldiana" = Pandora (Pandora) gouldiana
"Pandora gouldiana" = Pandora (Pandora) gouldiana Say 1822 clam
 Lucinida - Lucinidae
"Lucina filosa" = Lucinoma filosa, "Divaricella quadrisulcata" = Divalinga quadrisulcata
"Lucina filosa" = Lucinoma filosa Stimpon 1851 clam
"Divaricella quadrisulcata" = Divalinga quadrisulcata d'Orbigny 1846 clam
Malacostraca
 Decapoda - Cancridae
Cancer irroratus Say 1817 crab
Frank Burns, (2032): two chelae, one with carpus attached, Cat. No. 371711 USNM
 Decapoda - Portunidae
Callinectes sapidus Rathbun 1896 swimming crab
Frank Burns, (2032): two fingers, Cat. No. 146701; W.C. Mansfield, (8932): fragments of four fingers from lower bed, Cat. No. 371727; USNM
 Decapoda - Panopeidae
Panopeus herbstii Edwards 1834 crab
W.C. Mansfield, (8932, 8933): lower bed, three fingers, Cat. No. 371722; upper bed, one finger, Cat No. 371720
 Stomatopoda - Chloridellidae
Chloridella empusa Say 1818 mantis shrimp
W.C. Mansfield, (8932): lower bed, one terminal article of second thoracic appendage, Cat. No. 371731 (USNM)