Where: Río Negro, Argentina (39.4° S, 67.3° W: paleocoordinates 42.2° S, 52.9° W)

• coordinate based on unpublished field data

• outcrop-level geographic resolution

When: Upper Member (Allen Formation), Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• upper part of formation

• bed-level stratigraphic resolution

Environment/lithology: fluvial; sandstone

Size classes: macrofossils, mesofossils

Collected in 1980s–2009

Collection methods: quarrying, mechanical,

• Collected starting in late 1980s.

Primary reference: J. E. Powell. 1992. Hallazgo de huevos asignables a dinosaurios titanosauridos (Saurischia, Sauropoda) de la Provincia de Río Negro, Argentina [Discovery of eggs assignable to titanosaurid dinosaurs (Saurischia, Sauropoda) from Río Negro Province, Argentina]. Acta Zoologica Lilloana 41:381-389 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 28459: authorized by Matthew Carrano, entered by Matthew Carrano on 14.02.2003, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)