Where: Antofagasta, Chile (22.6° S, 69.1° W)
• Paleocoordinates: 29.1° S, 25.1° W (Wright 2013)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Oxfordian (161.5 - 154.8 Ma)
• Caliza de Aspidoceras
• bed-level stratigraphic resolution
Environment/lithology: concretionary 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 172175: authorized by Matthew Carrano, entered by Matthew Carrano on 28.07.2015, edited by Mark Uhen and Franco Aspromonte
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Reptilia | |
Cryptoclididae indet. Williston 1925 plesiosaur
Cryptoclididae indet. Williston 1925 plesiosaur MUHNCAL.20172 (dorsal vertebra), MUHNCAL.20146 (dentary fragment with four teeth)
| |
Ichthyosaurus sp. Koenig 1818 ichthyosaur | |
Actinopteri | |
Pachycormus sp. Agassiz 1833 | |
"Lepidotus sp." = Lepidotes
"Lepidotus sp." = Lepidotes Agassiz 1832 gar | |
Cephalopoda | |
Peltoceras sp. ammonite
Aspidoceras sp. Zittel 1868 ammonite | |
Macrocephalites sp. Zittel 1884 ammonite | |
Virgatosphinctes sp., Perisphinctes andium, Perisphinctes koeneni, Perisphinctes sp., "Perisphinctes indogermanus" = Perisphinctes (Perisphinctes) indogermanus
Virgatosphinctes sp. Uhlig 1910 ammonite
Perisphinctes andium ammonite
Perisphinctes koeneni ammonite
Perisphinctes sp. Waagen 1869 ammonite
"Perisphinctes indogermanus" = Perisphinctes (Perisphinctes) indogermanus Waagen 1875 ammonite | |
"Cosmoceras sp." = Kosmoceras
"Cosmoceras sp." = Kosmoceras Waagen 1869 ammonite | |
Ochetoceras sp. ammonite
Trimarginites sp. Rollier 1909 ammonite | |
Aptychus sp. von Meyer 1861 ammonite | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail |