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
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
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
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Gastropoda | |
"Retusa canaliculata" = Acteocina canaliculata
"Retusa canaliculata" = Acteocina canaliculata Say 1826 barrel-bubble | |
Crepidula fornicata Linnaeus 1758 slipper shell
Crepidula plana Say 1822 slipper shell | |
Epitonium denticulatum, "Epitonium rupicolum" = Epitonium rupicola, Epitonium humphreysii, Epitonium multistriatum
Epitonium denticulatum wentletrap
"Epitonium rupicolum" = Epitonium rupicola Kurtz 1860 wentletrap
Epitonium humphreysii Kiener 1838 wentletrap
Epitonium multistriatum Say 1826 wentletrap | |
"Polinices duplicatus" = Neverita duplicatus
"Polinices duplicatus" = Neverita duplicatus Say 1822 moon snail | |
"Seila adamsi" = Seila adamsii
"Seila adamsi" = Seila adamsii Lea 1845 snail | |
Triphora tricincta snail | |
"Teinostoma cryptospira" = Teinostoma umbilicatum
"Teinostoma cryptospira" = Teinostoma umbilicatum Lea 1843 snail | |
"Columbella (Astyris) lunata" = Astyris lunata
"Columbella (Astyris) lunata" = Astyris lunata Say 1826 snail | |
"Nassarius trivittatus" = Ilyanassa trivittata
"Nassarius trivittatus" = Ilyanassa trivittata Say 1822 snail | |
Busycon carica Gmelin 1792 whelk | |
"Mangilia cerina" = Kurtziella cerina
"Mangilia cerina" = Kurtziella cerina Kurtz and Stimpson 1851 snail | |
"Terebra dislocata" = Strioterebrum dislocatum
"Terebra dislocata" = Strioterebrum dislocatum Say 1822 auger snail | |
Urosalpinx cinerea Say 1822 murex snail
Eupleura caudata Say 1822 murex snail | |
Bivalvia | |
Nuculana acuta Conrad 1832 pointed nut clam | |
Yoldia limatula Say 1831 clam | |
"Nucula proxima" = Nucula (Nucula) proxima
"Nucula proxima" = Nucula (Nucula) proxima Say 1820 Atlantic Nut Clam | |
"Modiolus modiolus" = Modiolus (Modiolus) modiolus, "Brachidontes recurvus" = Ischadium recurvum
"Modiolus modiolus" = Modiolus (Modiolus) modiolus Linnaeus 1758 mussel
"Brachidontes recurvus" = Ischadium recurvum Rafinesque 1820 mussel | |
Crassostrea virginica Gmelin 1791 oyster | |
"Noetia (Eontia) ponderosa" = Eontia ponderosa, Eontia palmerae
"Noetia (Eontia) ponderosa" = Eontia ponderosa Say 1822 clam
Eontia palmerae MacNeil 1938 clam | |
"Anadara transversa" = Anadara (Larkinia) transversa
"Anadara transversa" = Anadara (Larkinia) transversa Say 1822 ark | |
Aligena elevata Stimpson 1851 aligena | |
Cumingia tellinoides Conrad 1831 clam | |
"Tagelus gibbus" = Tagelus plebeius
"Tagelus gibbus" = Tagelus plebeius Lightfoot 1786 clam | |
"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 | |
Mercenaria campechiensis, Mercenaria mercenaria, "Pitar morrhuana" = Pitar morrhuanus, "Petricola pholadiformis" = Petricolaria pholadiformis, Gemma gemma
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 | |
"Spisula solidissima" = Hemimactra solidissima Dilwyn 1817 clam
Mulinia lateralis Say 1822 clam
Rangia cuneata Sowerby 1831 clam | |
Mysella planulata clam | |
"Mya arenaria" = Mya (Arenomya) arenaria
"Mya arenaria" = Mya (Arenomya) arenaria Linnaeus 1758 softshell clam | |
Barnea costata clam | |
Bankia gouldi clam | |
Ensis directus Conrad 1844 clam | |
"Pandora gouldiana" = Pandora (Pandora) gouldiana
"Pandora gouldiana" = Pandora (Pandora) gouldiana Say 1822 clam | |
"Lucina filosa" = Lucinoma filosa, "Divaricella quadrisulcata" = Divalinga quadrisulcata
"Lucina filosa" = Lucinoma filosa Stimpon 1851 clam
"Divaricella quadrisulcata" = Divalinga quadrisulcata d'Orbigny 1846 clam | |
Malacostraca | |
Cancer irroratus Say 1817 crab Frank Burns, (2032): two chelae, one with carpus attached, Cat. No. 371711 USNM
| |
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
| |
Panopeus herbstii Edwards 1834 crab W.C. Mansfield, (8932, 8933): lower bed, three fingers, Cat. No. 371722; upper bed, one finger, Cat No. 371720
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Chloridella empusa Say 1818 mantis shrimp W.C. Mansfield, (8932): lower bed, one terminal article of second thoracic appendage, Cat. No. 371731 (USNM)
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