Where: Michoacan, Mexico (18.0° N, 103.6° W: paleocoordinates 18.6° N, 101.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Ferrotepec Formation, Middle Miocene (16.0 - 11.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shoreface; poorly lithified sandstone and poorly lithified siltstone

Preservation: original aragonite, original calcite

Primary reference: M.C. Perrilliat. 1987. Gasteropodos y un cefalopodo de la formacion Ferrotepec (Mioceno Medio) de Michoacan. Paleontologia Mexicana 52:1-58 [S. Peters/S. Peters/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 66162: authorized by Shanan Peters, entered by Shanan Peters on 03.10.2006, edited by Austin Hendy

Creative Commons license: CC BY (attribution)