Where: Coahuila, Mexico (25.8° N, 101.3° W: paleocoordinates 32.2° N, 81.1° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Tanque Formation (Difunta Group), Maastrichtian (72.1 - 66.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: deltaic; lithified siliciclastic sediments and lithified limestone
Size class: macrofossils
Primary reference: J. A. Wolleben. 1977. Paleontology of the Difunta Group (Upper Cretaceous-Tertiary) in northern Mexico. Journal of Paleontology 51(2):373-398 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 87252: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.03.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
| Gastropoda | |
|
Turritella vertebroides Morton 1834 turret shell | |
| Bivalvia | |
|
Inoceramus vanuxemi clam | |
|
Lima coahuilensis file clam | |
|
Flemingostrea subspatulata oyster | |
| Anthozoa | |
|
Trochocyathus speciosus Gabb and Horn 1860 stony coral | |