Where: Mexico (29.0° N, 101.7° W: paleocoordinates 28.0° N, 56.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Aptian (125.0 - 113.0 Ma)
• STRATIGRAPHIC RELATIONS: From unnamed unit, with unknown stratigraphic relations. THICKNESS: Unknown thickness of unit. AGE: Aptian based on ammonite biostratigraphy. STRATIGRAPHIC POSITION: Unknown position within lithostratigraphic unit.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; poorly lithified, silty limestone and poorly lithified shale
Size class: macrofossils
Collection methods: quarrying,
• COLLECTOR: Presumably Böse and Cavins. REPOSITORY: Bureau of Economic Geology, University of Texas, Austin.
Primary reference: E. Böse and O.A. Cavins. 1927. The Cretaceous and Tertiary of southern Texas and northern Mexico. University of Texas Bulletin 2748:1-142 [A. Hendy/A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 65623: authorized by Austin Hendy, entered by Austin Hendy on 23.09.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
Toxaster sp. Agassiz 1839 heart urchin | |
Cephalopoda | |
Douvilleiceras aff. martini ammonite |