Where: Chubut, Argentina (43.0° S, 67.6° W: paleocoordinates 45.2° S, 56.0° W)

• coordinate based on unpublished field data

When: La Colonia Formation, Maastrichtian (72.1 - 66.0 Ma)

Environment/lithology: terrestrial; siltstone and sandstone

Size class: macrofossils

• Aspidorrhynchidae partial skeleton in a concretion

Preservation: concretion

Collected by José O'Gorman in 2/18/2024; reposited in the MEF

Collection methods: quarrying, surface (in situ), mechanical,

Primary reference: D. Pol, E. Vlachos, and F. Aspromonte. 2023. The end of the dinosaur era in Patagonia (NatGeo Project). [E. Vlachos/E. Vlachos/E. Vlachos]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 233924: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 08.03.2024

Creative Commons license: CC BY (attribution)