Estancia El Tranquilo (Triassic of Argentina)

Where: Santa Cruz, Argentina (48.1° S, 68.3° W: paleocoordinates 56.7° S, 24.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Laguna Colorada Formation (El Tranquilo Group), Norian (228.0 - 208.5 Ma)

• upper 250 m section of formation (900 m total section)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; concretionary, brown siltstone

• fossils in "chocolate-colored lutites, with concretions"

Size class: macrofossils

Collected by Casamiquela, Scaglia, Zetti, Herbst, Archangeksly, Bonaparte, & García in 1960, 1963–1964; reposited in the MLP

Collection methods: surface (float), surface (in situ), mechanical,

Primary reference: R. M. Casamiquela. 1964. Sobre el hallazgo de dinosaurios triásicos en la Prov. de Santa Cruz [On the discovery of Triassic dinosaurs in Santa Cruz Prov.]. Argentina Austral 35:10-11 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 145209: authorized by Matthew Carrano, entered by Matthew Carrano on 29.05.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Saurischia - Plateosauridae
cf. Plateosaurus sp. Meyer 1837 plateosaurid
MLP 61-III-20-22, 61-III-20-23, 68-II-27-1, 68-II-28-1