Cerro Yumbes, Profil 2, a8, YUM-58 (Jurassic of Chile)
Where: Taltal, Chile (24.8° S, 70.4° W: paleocoordinates 27.5° S, 33.1° W)
• coordinate estimated from map
When: Semicostatum ammonoid zone, Early/Lower Sinemurian (196.5 - 189.6 Ma)
Environment/lithology: marine; lithified, massive siltstone
• Massive, shaley siltstone
Size class: macrofossils
Preservation: cast, mold/impression
Primary reference: L.A. Quinzio-Sinn. 1987. Stratigraphische Untersuchungen im Unterjura des Südteils der Provinz Antofagasta in Nord-Chile. Berliner geowissenschaftliche Abhandlungen 87:1-105 [J. Pálfy/D. Juhász]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 210074: authorized by József Pálfy, entered by Dorina Juhász on 19.05.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Cephalopoda | |
|
Arnioceras semicostatum Young and Bird 1828 ammonite
Arnioceras miserabile Quendstedt 1858 ammonite
Arnioceras cf. ceratitoides Quenstedt 1848 ammonite | |