Also known as USGS Mesozoic Collection 28664, 28748, 29075, 29088

Where: Puerto Rico (18.1° N, 67.0° W: paleocoordinates 17.6° N, 61.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: El Rayo Formation, Early/Lower Maastrichtian (70.6 - 65.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; limestone

Primary reference: N. F. Sohl and H. A. Kollmann. 1985. Cretaceous Actaeonellid Gastropods from the Western Hemisphere. United States Geological Survey Professional Paper 1304:1-104 [P. Harries/P. Harries] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 66738: authorized by Peter Harries, entered by Peter Harries on 13.10.2006, edited by Austin Hendy