Where: Mexico (18.6° N, 100.9° W: paleocoordinates 17.6° N, 59.0° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: El Cajon Formation, Late/Upper Aptian (122.5 - 113.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lithified limestone

Size class: macrofossils

Primary reference: P. Garcia-Barrera. 2006. Rudists of Mexico: Historical Aspects and Selected Areas of Research. in F. J. Vega, T. G. Nyborg et al., eds., Studies on Mexican Paleontology, Vol. 24 of Topics in Geobiology, Springer, Dordrecht, Netherlands 61-78 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64191: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.09.2006

Creative Commons license: CC BY (attribution)