Where: Medina County, Texas (29.3° N, 99.1° W)

• Paleocoordinates: 37.6° N, 64.4° W (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Baculites maclearni ammonoid zone, Anacacho Limestone Formation, Middle Campanian (83.6 - 72.2 Ma)

• Swezey and Sullivan (2004) correlate this bed to the Baculites maclearni zone., which is middle Campanian in Gradstein et al., 2004.

• bed-level stratigraphic resolution

Environment/lithology: marine; limestone

Size class: mesofossils

Reposited in the USGS

Primary reference: W. P. Elder. 1996. Bivalves and Gastropods from the Middle Campanian Anacacho Limestone, south central Texas. Journal of Paleontology 70(2):247-271 [M. Patzkowsky/K. Layou/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3604: authorized by Mark Patzkowsky, entered by Karen Layou on 05.08.1999

Creative Commons license: CC0 (CC0)