Cerro Los Hornos (Talenkauen locality) (Cretaceous of Argentina)

Also known as Los Hornos Hill, Viedma Lake

Where: Santa Cruz, Argentina (49.9° 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; gray mudstone and sandstone

• The specimen was found articulated in a cross–bedded, fining–upward, medium–grained sandstone, interpreted as a fluvial channel body

Size class: macrofossils

• MPM–10001, partially articulated specimen preserving rostrum, jaws, and teeth, precaudal

•vertebral column and ribs, pectoral and pelvic girdles, and fore and hind limb bones.

Collected in 2000

Collection methods: quarrying, mechanical,

• MPM, Museo Padre Molina, Río Gallegos, Santa Cruz

Primary reference: F. E. Novas, A. V. Cambiaso, and A. Ambrosio. 2004. A new basal iguanodontian (Dinosauria, Ornithischia) from the Upper Cretaceous of Patagonia. Ameghiniana 41(1):75-82 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52980: authorized by Matthew Carrano, entered by Kaitlin Maguire on 30.08.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia -
Talenkauen santacrucensis n. gen. n. sp. Novas et al. 2004 ornithopod
MPM-PV 10001 plus neonatal teeth