Villa El Chocón tracksite (Cretaceous of Argentina)

Where: Neuquén, Argentina (39.3° S, 68.8° W: paleocoordinates 46.3° S, 45.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Candeleros Formation (Neuquén Group), Early/Lower Cenomanian (99.6 - 93.5 Ma)

• lower part of Candeleros (orig. a member); Río Limay Subgroup

• bed-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; sandstone

• "temperate climate with alternate rainy and dry seasons...shallow-water fluvio-lacustrine systems (lakes and meandering rivers). The tracks were evidently made...on the shores of such lakes."
• fine- and medium-grained sandstone

Size class: macrofossils

Preservation: trace

Collection methods: quarrying, surface (in situ), peel or thin section, ,

Primary reference: J. O. Calvo, R. A. Coria, and L. Salgado. 1990. Nuevas localidades con huellas de dinosaurios del Miembro Candeleros (Albiano–Cenomaniano, Formación Río Limay, Grupo Neuquén), Provincia del Neuquén, Argentina [New localities with dinosaur tracks from the Candeleros Member (Albian–Cenomanian, Río Limay Formation, Neuquén Group), Neuquén Province, Argentina]. VII Jornadas Argentinas de Paleontología de Vertebrados. Ameghiniana 26(3-4):241 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 28004: authorized by Matthew Carrano, entered by Matthew Carrano on 19.01.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
Theropoda indet. theropod
trackways
 Neornithischia -
Ornithopoda indet. bird foot dinosaur
trackways
 Pterosauria - Pteraichnidae
Pteraichnus sp. Stokes 1957 pterosaur