North Horn eggshell site, Zone 1 (Cretaceous of the United States)

Where: Utah (39.3° N, 111.1° W: paleocoordinates 47.1° N, 88.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: North Horn Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; fine-grained, white sandstone and shale

• "Very fine-grained, soft, white sandstone. The white sandstone is overlain by 10 ft of deeply weathered, variegated shale followed by 2 feet of light tan, friable sandstone."

Size class: macrofossils

Collected by J. A. Jensen in 1966

Primary reference: J. A. Jensen. 1966. Dinosaur eggs from the Upper Cretaceous North Horn Formation of central Utah. Bringham Young University Geology Studies 13:55-67 [M. Carrano/K. Maguire/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 52925: authorized by Matthew Carrano, entered by Kaitlin Maguire on 26.08.2005, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia -
Ornithischia indet. ornithischian
eggshells
 Saurischia -