Where: Kazakhstan (44.3° N, 53.0° E: paleocoordinates 37.6° N, 46.6° E)

• coordinate estimated from map

When: Maastrichtian (72.1 - 66.0 Ma)

Environment/lithology: shallow subtidal; limestone and marl

Primary reference: C. H. Jeffery. 1997. All Change at the Cretaceous-Tertiary Boundary? Echinoids from the Maastrichtian and Danian of the Mangyshlak Peninsula, Kazakhstan. Palaeontology 40(3):659-712 [L. Ivany/P. Wall/P. Wall]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 48024: authorized by Linda Ivany, entered by Patrick Wall on 10.03.2005

Creative Commons license: CC BY (attribution)