Where: Antofagasta, Chile (22.6° S, 69.1° W: paleocoordinates 21.4° S, 34.3° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Kimmeridgian (157.3 - 152.1 Ma)
• Caliza de Trissops; upper 15-20 m are fossiliferous
• bed-level stratigraphic resolution
Environment/lithology: black, gray limestone
Size classes: macrofossils, mesofossils
Preservation: concretion
Collected by W. A. Biese in 1946–1950
Collection methods: surface (in situ),
Primary reference: W. Biese. 1961. El Jurásico de Cerritos Bayos [The Jurassic of Cerritos Bayos]. Universidad de Chile, Facultad de Ciencias Fisicas y Matematicas, Instituto de Geología, Publicación 19:1-61 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 172176: authorized by Matthew Carrano, entered by Matthew Carrano on 28.07.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Reptilia | |
Ichthyosaurus sp. Koenig 1818 ichthyosaur | |
Polychaeta | |
Serpula sp. Linnaeus 1758 | |
Cephalopoda | |
? Perisphinctes sp. Waagen 1869 ammonite | |
Spiticeras sp. ammonite | |
Aptychus sp. von Meyer 1861 ammonite |