Cerritos Bayos (Caliza de Trissops) (Jurassic of Chile)

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

• limestone in "thick beds of black to dark gray"

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

Show authors, comments, and common names
unclassified
  -
Trissops sp.
Reptilia
 Ichthyosauria - Ichthyosauridae
Ichthyosaurus sp.
Ichthyosaurus sp. Koenig 1818 ichthyosaur
Cephalopoda
 Ammonitida - Olcostephanidae
Spiticeras sp.
 Ammonitida - Perisphinctidae
? Perisphinctes sp.
? Perisphinctes sp. Waagen 1869 ammonite
 Ammonoidea -
Aptychus sp.
Aptychus sp. von Meyer 1861 ammonite
Polychaeta
 Sabellida - Serpulidae
Serpula sp.
Serpula sp. Linnaeus 1758