Santa Teresita quarry (Cretaceous of Argentina)

Where: Río Negro, Argentina (40.7° S, 69.6° W: paleocoordinates 42.9° S, 57.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Coli Toro Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Author debates the possibility of this being "Danian" (= Early Tertiary), and thus a report of a genuine Cenozoic dinosaurs. Currently considered to be Late Cretaceous. Formation is not named in the paper; it may be the Allen Fm. Also spelled "Cali-Toro Formation" and "Colitoro Formation"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; micaceous, gray, green, argillaceous sandstone

• "micaceous, greenish-gray clayey sandstones" (translated by M. Carrano)

Size class: macrofossils

Collected by R. M. Casamiquela in 1949; reposited in the MLP

Collection methods: quarrying, mechanical,

• Originally collected 1949, described 1964.

Primary reference: R. M. Casamiquela. 1964. Sobre un dinosaurio hadrosáurido de la Argentina. Ameghiniana 3(9):285-312 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 31079: authorized by Matthew Carrano, entered by Matthew Carrano on 10.04.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

 Saurischia - Titanosauridae
? Titanosauridae indet.1 Lydekker 1885 titanosaurid
small individual
 Neornithischia - Hadrosauridae
Hadrosauridae indet.2 Cope 1869 hadrosaurid
MLP-62-XII-13-1/2, 1/4, 1/5, 1/6, 1/8, 1/10; MJG.Pa 6/6/07-3, 6, 7, MJG.Pa 7/6/07-1 to 6
Hadrosaurinae indet. Lambe 1918 hadrosaurine
MLP 61-XII-13-1