Where: Antofagasta, Chile (22.6° S, 69.1° W: paleocoordinates 21.2° S, 34.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Cerritos Bayos Formation, Early/Lower Callovian (164.7 - 161.2 Ma)

• Banco de Equinozoa, a 0.2-0.5 m thick bed in the Margas Grises Oscuras

• bed-level stratigraphic resolution

Environment/lithology: gray limestone

Size classes: macrofossils, mesofossils

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 172173: authorized by Matthew Carrano, entered by Matthew Carrano on 28.07.2015

Creative Commons license: CC BY (attribution)