Also known as Aniksosaurus type, Sarmientosaurus type
Where: Chubut, Argentina (44.8° S, 69.2° W: paleocoordinates 51.5° S, 46.4° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Lower Member (Bajo Barreal Formation), Cenomanian to Cenomanian (100.5 - 89.8 Ma)
• ca. 15 m from bottom of Lower Member (49 m total thickness)
• bed-level stratigraphic resolution
Environment/lithology: crevasse splay; fine-grained, quartzose, intraclastic, green sandstone and tuff
•
•"sandstone"; Ibiricu et al 2013: "The specimens were embedded in a fining-upward, green sandstone, with an uncomfortable lower contact"
Size class: macrofossils
• tooth marks ascribed to a crocodyliform
Collected by R. D. Martínez
Collection methods: quarrying, surface (in situ), mechanical,
Primary reference: R. D. Martínez and F. E. Novas. 1997. Un nuevo tetanuro (Dinosauria: Theropoda) de la Formación Bajo Barreal (Cretácico Superior), Patagonia [A new tetanuran (Dinosauria: Theropoda) from the Bajo Barreal Formation (Upper Cretaceous), Patagonia]. Ameghiniana 34(4):538 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 70674: authorized by Matthew Carrano, entered by Matthew Carrano on 02.04.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Aniksosaurus darwini n. gen. n. sp.2
Aniksosaurus darwini n. gen. n. sp.2 Martínez and Novas 2006 compsognathid "intermediate between basal tetanurans and Coelurosauria" but "probably a true coelurosaur"
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Sarmientosaurus musacchioi n. gen. n. sp.1
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