Hoyada Arroyo Seco (Cretaceous of Argentina)

Where: Santa Cruz, Argentina (50.0° S, 72.1° W: paleocoordinates 52.0° S, 61.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Pari Aike Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by M. Isasi, F. Novas in 2002

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

Primary reference: M. D. Ezcurra, F. L. Agnolin, and F. E. Novas. 2010. An abelisauroid dinosaur with a non-atrophied manus from the Late Cretaceous Pari Aike Formation of southern Patagonia. Zootaxa 2450:1-25 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 80822: authorized by Matthew Carrano, entered by Matthew Carrano on 13.05.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

 Saurischia -
Sauropoda indet. Marsh 1878 sauropod
 Saurischia - Noasauridae
Austrocheirus isasii n. gen. n. sp.
Austrocheirus isasii n. gen. n. sp. Ezcurra et al. 2010 ceratosaur
MPM-PV 10003