Where: Brewster County, Texas (29.3° N, 103.6° W: paleocoordinates 35.8° N, 77.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Upper Shale Member (Aguja Formation), Judithian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the TMM

Primary reference: T. M. Lehman. 1989. Chasmosaurus mariscalensis, sp. nov., a new ceratopsian dinosaur from Texas. Journal of Vertebrate Paleontology 9(2):137-162 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52463: authorized by Matthew Carrano, entered by Matthew Carrano on 08.08.2005

Creative Commons license: CC BY (attribution)