Also known as Los Hornos Hill, Viedma Lake

Where: Santa Cruz, Argentina (49.8° S, 72.1° W: paleocoordinates 52.4° S, 58.7° W)

• coordinate stated in text

When: Cerro Fortaleza Formation, Campanian (83.6 - 72.1 Ma)

• Previously attributed to the Pari Aike Formation, but regarded as the Cerro Fortaleza Formation by Sickman et al. (2018), with a Campanian age (Ghiglione et al. 2021)

• bed-level stratigraphic resolution

Environment/lithology: fluvial; sideritic, gray mudstone and sandstone

Size class: macrofossils

• Right postorbital, a right quadratojugal, probable coronoid of the right side, eight isolated teeth, atlantal intercentrum and its right neurapophysis, two proximal caudal vertebrae, proximal half of right tibia, eight fragmentary ribs, and three incomplete chevrons.

Collected in 2001

Collection methods: quarrying, mechanical,

• MPM-Pv, Museo Padre Molina Paleontología de Vertebrados, Río Gallegos, Santa Cruz

•All of these bones were excavated froma single spot of 1.5 meters in diameter

Primary reference: F. E. Novas, M. D. Ezcurra, and A. Lecuona. 2008. Orkoraptor burkei nov. gen. et sp., a large theropod from the Maastrichtian Pari Aike Formation, southern Patagonia, Argentina. Cretaceous Research 29(3):468-480 [M. Carrano/M. Carrano/F. Aspromonte]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 232634: authorized by Evangelos Vlachos, entered by Franco Aspromonte on 11.12.2023

Creative Commons license: CC BY (attribution)