ammonites
Quebrada Corral (Jurassic to of Chile)

Where: Antofagasta, Chile (22.0° S, 68.9° W: paleocoordinates 20.4° S, 34.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Quehita Formation, Callovian to Callovian (164.7 - 155.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; concretionary mudstone and limestone

• "The formation is dominated by organic-rich mudstones with thin limestone beds and abundant septarian carbonate concretions."

Size class: macrofossils

Collected in 1992

Collection methods: surface (float),

Primary reference: D. M. Martill, G. Chong D., and R. Pardo. 1998. A new pycnodont (Pisces, Actincopterygii) from the Jurassic of Chile. Neueus Jahrbuch für Geologie und Paläontologie Monatshefte 1998(8):485-493 [M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 55686: authorized by Matt Carrano, entered by Kaitlin Maguire on 02.11.2005, edited by Matt Carrano