Also known as Rîo Shehuen, Loncosaurus type site, Pari Aike
Where: Santa Cruz, Argentina (49.6° S, 69.6° W: paleocoordinates 52.4° S, 56.0° 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 Mata Amarilla Formation, but regarded as the Cerro Fortaleza Formation by Sickman et al. (2018), with a Campanian age (Ghiglione et al. 2021)
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•also listed as Cardiel Formation and Matasiete Formation - orig. the "Guaranitic Formation", found above a layer with Ostrea guaranitica, but the bed coninues below this layer as well.
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithified, red sandstone
Size classes: macrofossils, mesofossils
Collected by C. Ameghino in the 1890s; reposited in the MACN
Primary reference: F. Ameghino. 1899. Nota preliminar sobre el Loncasaurus argentinus un representante de la familia de los Megalosauridae en la República Argentina [Preliminary note on Loncasaurus argentinus, a representative of the family Megalosauridae in the Argentine Republic]. Anales de la Sociedad Científica Argentina 47:61-62 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 49095: authorized by Matthew Carrano, entered by Matthew Carrano on 08.04.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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Clasmodosaurus spatula n. gen. n. sp.2
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Loncosaurus argentinus n. gen. n. sp.
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