Also known as 12P, 13P and 14P
Where: Antofagasta, Chile (23.1° S, 69.0° W: paleocoordinates 22.0° S, 33.7° W)
• outcrop-level geographic resolution
When: zigzagiceras ammonoid zone, Torcazas Formation, Late/Upper Bajocian to Late/Upper Bajocian (171.6 - 164.7 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: mesofossils
Collected by SR Fernández-López, GBC Chong Diaz
Primary reference: S.R. Fernandez-Lopez and G.B.C. Diaz. 2011. Dimorphinites (Ammonoidea, Jurassic, upper Bajocian) in the precordillera of northern Chile. Journal of Paleontology 85(3):395-405 [P. Scofield/P. Scofield]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 234384: authorized by Paul Scofield, entered by Paul Scofield on 10.04.2024
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
|
Prorsisphinctes sp. ammonite | |
|
Vigoriceras defrancei d'Orbigny 1846 ammonite
Dimorphinites dimorphus d'Orbigny 1846 ammonite | |
|
Megasphaeroceras sp. Imlay 1961 ammonite | |
Cadomites sp., "Polyplectites sp." = Cadomites (Polyplectites)
Cadomites sp. ammonite
"Polyplectites sp." = Cadomites (Polyplectites) ammonite | |
"Lissoceras sp." = Lissoceras, "Microlissoceras sp." = Lissoceras
"Lissoceras sp." = Lissoceras Bayle 1879 ammonite
"Microlissoceras sp." = Lissoceras Bayle 1879 ammonite | |
|
Oxycerites sp. Rollier 1909 ammonite
Paroecotraustes sp. Spath 1928 ammonite | |
|
Strigoceras sp. Quenstedt 1886 ammonite | |