Also known as Wells Gulch, Young egg site

Where: Delta County, Colorado (38.8° N, 108.3° W: paleocoordinates 34.9° N, 55.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Salt Wash Member (Morrison Formation), Late/Upper Kimmeridgian to Late/Upper Kimmeridgian (155.7 - 145.0 Ma)

• Approx. 38 m below the top of the Salt Wash Member

• bed-level stratigraphic resolution

Environment/lithology: dry floodplain; brown, red mudstone and gray sandstone

Size classes: macrofossils, mesofossils

Collected by Young in 1986

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

Primary reference: K. F. Hirsch, R. G. Young, and H. J. Armstrong. 1987. Eggshell fragments from the Jurassic Morrison Formation of Colorado. In W. R. Averett (ed.), Paleontology and Geology of the Dinosaur Triangle: Guidebook for 1987 Field Trip. Museum of Western Colorado, Grand Junction 79-84 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 53021: authorized by Matthew Carrano, entered by Kaitlin Maguire on 31.08.2005, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)