One Egg Locality (Cretaceous of the United States)

Also known as UCM L79058

Where: Emery County, Utah (39.2° N, 111.3° W: paleocoordinates 47.2° N, 87.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: North Horn Formation, Maastrichtian (72.1 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Reposited in the UCM

Primary reference: E. S. Bray. 1999. Eggs and eggshell from the Upper Cretaceous North Horn Formation, central Utah. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:361-375 [M. Carrano/M. Carrano/A. Garcia Selles]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138563: authorized by John Alroy, entered by Albert Garcia Selles on 21.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia - Elongatoolithidae
Spongioolithus hirschi n. gen. n. sp.
Spongioolithus hirschi n. gen. n. sp. Bray 1999 theropod
UCM 47620, HEC 246, 413 fragments; HEC 765, 9 fragments
 Neornithischia - Ovaloolithidae
Ovaloolithus utahensis n. sp. Bray 1999 bird foot dinosaur
UCM 47621, HEC 247-1