Where: Santa Cruz, Argentina (50.0° S, 72.1° W: paleocoordinates 52.5° S, 58.7° W)
• coordinate stated in text
• outcrop-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; gray, green mudstone and sandstone
Size class: macrofossils
• specimen comprising several incomplete mid-caudal vertebrae, left metacarpal III, proximal left manual phalanx of digit III, distal end of left tibia, fragmentary left metatarsal III, and some fragments of pedal phalanges
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. A medium-sized basal abelisauroid with well-developed manus from the Late Cretaceous of southern Patagonia. XXV Jornadas Argentinas de Paleontología de Vertebrados. Resúmenes. Ameghiniana 47(4 (suppl.)):10R [M. Carrano/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
Reptilia | |
Austrocheirus isasii n. gen. n. sp.
Austrocheirus isasii n. gen. n. sp. Ezcurra et al. 2010 ceratosaur MPM-PV 10003, incomplete skeleton
| |
Sauropoda indet. Marsh 1878 sauropod |