Where: Alberta, Canada (49.3° N, 112.6° W: paleocoordinates 56.9° N, 78.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Oldman Formation (Belly River Group), Late/Upper Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; mudstone

Size class: macrofossils

Reposited in the TMM

Primary reference: D. K. Zelenitsky and L. V. Hills. 1997. Normal and pathological eggshells of Spheroolithus albertensis, oosp. nov., from the Oldman Formation (Judith River Group, Late Campanian), southern Alberta. Journal of Vertebrate Paleontology 17(1):167-171 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52991: authorized by Matthew Carrano, entered by Kaitlin Maguire on 30.08.2005, edited by Matthew Carrano and Albert Garcia Selles

Creative Commons license: CC BY (attribution)