La Colonia (LC 213/23) (Cretaceous of Argentina)

Also known as Fran 271

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• coordinate based on unpublished field data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

• Turtle bones fragments, fish vertebrae, Dipnoi dental plate, plesiosaur tooth and other fragments

Collected by Franco Aspromonte and Csaba Hefler in 2/24/2023; reposited in the MEF

Collection methods: surface (in situ),

• All the fossils were collected from a lens

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 231642: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 25.08.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda -
Decapoda indet. Latreille 1802 decapod
Fragmented lobster
Actinopteri
 Holostei -
Amiiformes indet. Hay 1929 bowfin
Dermal scales
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825 gar
Vertebra and dermal scales
 Aspidorhynchiformes - Aspidorhynchidae
Aspidorhynchidae indet. Bleeker 1859
Dermal scales
 Acanthomorphata -
Percomorpha indet.
Hemispherical dental plate
 Teleostei -
Siluriformes indet. catfish
Spines
Osteichthyes
 Dipnoi -
Dipnoi indet. lungfish
Dental plates
Amphibia
 Salientia -
Anura indet. Fischer von Waldheim 1813 frog
Skull
Reptilia
 Plesiosauria -
Plesiosauria indet. plesiosaur
Tooth
 Dinosauria -
Dinosauria indet. Owen 1842 dinosaur
Bones fragments
 Testudinata -
Testudinata indet. Oppel 1811 turtle
Vertebrae
 Testudines - Chelidae
Chelidae indet. Gray 1825 sideneck turtle
Plates and bones fragments
cf. Yaminuechelys indet. de la Fuente et al. 2001 sideneck turtle
Plates
 Testudinata -
Meiolaniformes indet. Sterli and de la Fuente 2013 turtle
Caudal vertebra