La Colonia (LC 141/23) (Cretaceous of Argentina)

Also known as Karen 081

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• coordinate based on unpublished field data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

• Plesiosaur and Sauropoda vertebrae, and others bones fragments

Collected by Marcos Becerra in 2/20/2023; reposited in the MEF

Collection methods: surface (in situ),

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: taxonomic analysis

PaleoDB collection 231511: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 23.08.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Actinopteri
 Teleostei -
Teleostei indet.
Reptilia
 Plesiosauria -
Plesiosauria indet.
Plesiosauria indet. plesiosaur
Two vertebrae and one transverse process
 Ornithischia -
Ankylosauria indet.
Ankylosauria indet. Osborn 1923 ankylosaur
Vertebrae
 Ornithischia - Hadrosauridae
Hadrosauridae indet.
Hadrosauridae indet. Cope 1869 hadrosaurid
Vertebra
 Saurischia -
Sauropoda indet.
Sauropoda indet. Marsh 1878 sauropod
Caudal vertebra
 Testudines - Chelidae
Chelidae indet., cf. Yaminuechelys indet.
Chelidae indet. Gray 1825 sideneck turtle
Plates
cf. Yaminuechelys indet. de la Fuente et al. 2001 sideneck turtle
Plates