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• coordinate based on unpublished field data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)
Taxonomic list
Reptilia | |
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Quilmesaurus curriei n. gen. n. sp.2
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Arriagadoolithus patagoniensis n. gen. n. sp.1
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Bonapartenykus ultimus n. gen. n. sp.1
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