Also known as Aldie, Littleton Farm, Monroe

Where: Loudoun County, Virginia (39.0° N, 77.6° W: paleocoordinates 21.1° N, 21.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Midland Formation (Meriden Group), Early/Lower Sinemurian (196.5 - 189.6 Ma)

• 4 footprint-bearing layers. Orig. assigned to Triassic and later to Turkey Run Fm.

• group of beds-level stratigraphic resolution

Environment/lithology: fine channel fill; red siltstone

Size class: macrofossils

Preservation: cast, mold/impression, trace

Collected by C. Gilmore & N. Boss in 1920, 1926; reposited in the USNM

Collection methods: quarrying, surface (float), surface (in situ),

Primary reference: Anonymous. 1923. Footprints in the sands of time. Science 56 (supp.)(1500):xii-xiii [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 104029: authorized by Mark Uhen, entered by Mark Uhen on 05.02.2011, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)