Aguas Calientes, Arroyo el Morterito (Cretaceous of Argentina)

Also known as El Ceibal

Where: Salta, Argentina (24.3° S, 65.3° W: paleocoordinates 26.9° S, 51.8° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Yacoraite Formation (Salta Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• detailed stratigraphic sections described for correlative purposes

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithified, brown, red, yellow, conglomeratic, calcareous sandstone and brown mudstone

• depositional facies in local "sub-basins", but regional geologic setting not described.
• 3) Reddish-brown, medium to fine sandstones, thick in the upper part and slightly conglomeratic. The calcareous cementation is only evident in the upper sector, whereas the rest is friable. In the lower third, of pink color, some small yellowish banks with gastropod remains are intercalated. It is possible to find bony remains in this entire assembly. Irregular chocolate-colored lenses of muddy-clayey texture are also intercalated. Total thickness: 12.5 m.

•(Translated from Spanish by M. Carrano)

Size class: macrofossils

Collected in 1975

Primary reference: J. F. Bonaparte and G. Bossi. 1967. Sobre la presencia de dinosaurios en la Formación Pirgua del Grupo Salta y su significado cronologico [On the presence of dinosaurs in the Pirgua Formation of the Salta Group and its chronologic significance]. Acta Geologica Lilloana 9:25-44 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 13210: authorized by Matthew Carrano, entered by Matthew Carrano on 29.01.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Loricata -
Crocodylia indet.
Crocodylia indet. crocodilian
 Avetheropoda -
Carnosauria indet.1
Chondrichthyes
 Rajiformes - Sclerorhynchidae
Pucapristis branisi2
Pucapristis branisi2 Schaeffer 1963 ray
1Bonaparte et al. 1977; 2Powell 1979