Where: Chubut, Argentina (43.8° S, 69.5° W: paleocoordinates 43.5° S, 26.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Osta Arena Formation, Late/Upper Pliensbachian (189.6 - 183.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Primary reference: S. M. Ferrari, A. Kaim, and S. E. Damborenea. 2014. The genera Calliotropis Seguenza and Ambercyclus n. gen. (Vetigastropoda, Eucyclidae) from the Early Jurassic of Argentina. Journal of Paleontology 88:1174-1188 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 163802: authorized by Matthew Clapham, entered by Matthew Clapham on 12.11.2014

Creative Commons license: CC BY (attribution)