Where: Sonora, Mexico (29.4° N, 109.5° W: paleocoordinates 29.9° N, 64.6° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Agua Salada Formation, Late/Upper Aptian (122.5 - 113.0 Ma)
• From the first part of lower black shale
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified shale
Size class: macrofossils
Collected by C.M. Garcia-Leon
• Repository: Estacion Regional del Noroeste, Universidad Nacional Autonoma de Mexico (Hermosillo, Sonora, Mexico).
Primary reference: E. Robert, A. Samaniego-Pesqueira, J. A. Moreno-Bedmar and C. M. González-León. 2018. Aptian and Albian (Early Cretaceous) ammonites from Lampazos and the Bisbee groups (Sonora State, northwest Mexico). Cretaceous Research 86:1-23 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 191937: authorized by Matthew Clapham, entered by Matthew Clapham on 24.02.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Hypacanthoplites sp. Spath 1923 ammonite | |
Kazanskyella minima Scott 1940 ammonite |