Mx1: Barranco de la Bolita (Level 7) (Jurassic of Mexico)
Where: Oaxaca, Mexico (16.8° N, 97.0° W: paleocoordinates 7.8° N, 47.1° W)
• small collection-level geographic resolution
When: Taberna Formation, Bajocian (171.6 - 167.7 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; lithified, concretionary, ferruginous siltstone and shale
• siltstone and shale, with frequent iron concretions.
Primary reference: J. Sandoval and E. G. Westermann. 1986. The Bajocian (Jurassic) ammonite fauna of Oaxaca, Mexico. Journal of Paleontology 60(6):1220-1271 [J. Alroy/M. Sommers/J. Alroy] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 8059: authorized by John Alroy, entered by Mike Sommers on 15.06.2000
Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)