Also known as LACMIP loc. 27137

Where: Baja California, Mexico (31.7° N, 116.7° W: paleocoordinates 37.2° N, 93.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Rosario Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified, concretionary, calcareous sandstone

Size class: macrofossils

Primary reference: W. P. Popenoe and L. R. Saul. 1987. Evolution and classification of the Late Cretaceous-Early Tertiary gastropod Perissitys. Contributions in Science 380:1-37 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 72108: authorized by Wolfgang Kiessling, entered by Uta Merkel on 25.05.2007, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)