ammonites
Sierra Limón Verde, Antofagasta (Jurassic of Chile)

Where: Chile (22.7° S, 69.0° W: paleocoordinates 26.3° S, 32.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Asteroceras obtusum ammonoid zone, Late/Upper Sinemurian (196.5 - 189.6 Ma)

• ammonoid zone: details given for trigonioids only

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithology not reported

Size class: macrofossils

Preservation: mold/impression, original calcite, replaced with silica

Collection methods: mechanical, acetic,

• collected since 1966

Primary reference: P. Prinz. 1991. Mesozoische Korallen aus Nordchile. Palaeontographica Abteilung A 216:147-209 [W. Kiessling/W. Kiessling/W. Kiessling] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 95082: authorized by Martin Aberhan, entered by Sabine Nürnberg on 06.04.2010