Cerro Los Hornos, La Leona (Cretaceous of Argentina)

Also known as Puertasaurus locality

Where: Santa Cruz, Argentina (49.9° S, 72.1° W: paleocoordinates 52.4° S, 58.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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; lenticular, fine-grained, gray sandstone and mudstone

• "a fine, gray sandstone lens"

Size class: macrofossils

• Four disarticulated vertebrae, including most of a cervical vertebra, a complete dorsal 2, and the centra of two caudal vertebrae

Collected in 2001

Collection methods: quarrying, mechanical,

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

Primary reference: F. E. Novas, L. Salgado, J. O. Calvo and F. L. Agnolín. 2005. Giant titanosaur (Dinosauria, Sauropoda) from the Late Cretaceous of Patagonia. Revista del Museo Argentino de Ciencias Naturales, nuevo serie 7(1):37-41 [M. Carrano/M. Carrano/F. Aspromonte]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 62910: authorized by Matthew Carrano, entered by Matthew Carrano on 01.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
Puertasaurus reuili n. gen. n. sp.
Puertasaurus reuili n. gen. n. sp. Novas et al. 2005 sauropod
MPM 10002, disarticulated vertebrae