La Colonia (LC 149/23) (Cretaceous of Argentina)

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• coordinate based on unpublished field data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

• Lens with plates of various turtles, fish and other fragments

Collected by Maxime Grosmougin y Paul-Emile Dieudonné 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 231519: 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
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.
Lepisosteidae indet. Cuvier 1825 gar
Dermal scales
 Teleostei -
Teleostei indet.
Teleostei indet.
Vertebrae
Amphibia
 Salientia -
Anura indet.
Anura indet. Fischer von Waldheim 1813 frog
Skull fragment
 Salientia - Calyptocephalellidae
Calyptocephalella ? indet.
Calyptocephalella ? indet. Strand 1926 helmeted water toad
Maxillar
Aves
  -
Aves ? indet.
Aves ? indet. Linnaeus 1758 bird
Possibly a cuadrate
Reptilia
 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