La Colonia (LC 195/23) (Cretaceous of Argentina)

Also known as Fran 270

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• coordinate based on unpublished field data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

• Dinosauria indet bones fragments, titanosaur tooth, fish vertebrae, plesiosaur tooth and a possible theropod rib

Collected by Franco Aspromonte in 2/24/2023; 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 231610: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 24.08.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

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Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.
Lepisosteidae indet. Cuvier 1825 gar
Dermal scales
 Teleostei -
Teleostei indet., Siluriformes indet.
Teleostei indet.
Vertebrae
Siluriformes indet. catfish
Spines
Osteichthyes
 Dipnoi -
Dipnoi indet.
Dipnoi indet. Müller 1884 lungfish
Dental plates
Amphibia
 Salientia -
Anura ? indet.
Anura ? indet. Fischer von Waldheim 1813 frog
Skull fragments
Reptilia
 Plesiosauria -
Plesiosauria indet.
Plesiosauria indet. plesiosaur
Tooth and transverse process
 Dinosauria -
Dinosauria indet.
Dinosauria indet. Owen 1842 dinosaur
Bones fragments
 Saurischia - Titanosauridae
Titanosauridae indet.
Titanosauridae indet. Lydekker 1885 titanosaurid
Tooth
 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
 Testudinata -
Meiolaniformes indet.
Meiolaniformes indet. Sterli and de la Fuente 2013 turtle
Neural arch of a audal vertebra