Colchester, Chittenden Co. (Pleistocene) (Pleistocene of the United States)

Also known as Vermont Loc. 7

Where: Chittenden County, Vermont (44.5° N, 73.1° W: paleocoordinates 44.5° N, 73.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• LITHOSTRATIGRAPHY: No lithostratigraphic unit reported in text. AGE: Two Creeks Interstadial (Terasmae, 1959), Pleistocene (Richards 1962); various radiocarbon dates around 11,300-9,500 years ago.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; unlithified siliciclastic sediments

• ENVIRONMENT: No specific environment provided in text for individual collection. SEQUENCE STRATIGRAPHY: Accumulated during "interstadials".
• SPECIFIC LITHOLOGY: No detailed lithologic data reported in text. Almost certainly from siliciclastic sediment LITHIFICATION: Assumed to be unlithified given age and figured specimens in Richards (1962).

Size class: macrofossils

Collection methods: COLLECTORS: Based on collections of Howell and Richards, 1937. 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 66366: authorized by Austin Hendy, entered by Austin Hendy on 08.10.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda, bivalvia, and polyplacophora. NOMENCLATURE: Not an authoratative publication, and somewhat antiquated. However, all occurrences include species-resolution assignments and list synonymies.
Bivalvia
 Pholadida - Myidae
"Mya arenaria" = Mya (Arenomya) arenaria
"Mya arenaria" = Mya (Arenomya) arenaria Linnaeus 1758 softshell clam
 Cardiida - Tellinidae
"Macoma balthica" = Macoma (Macoma) balthica
"Macoma balthica" = Macoma (Macoma) balthica Linnaeus 1758 tellin clam