Also known as Chanares
Where: La Rioja, Argentina (29.8° S, 67.8° W: paleocoordinates 49.8° S, 37.8° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Chañares Formation (Agua de la Peña Group), Ladinian (242.0 - 237.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: fluvial-lacustrine; lithology not reported
Size class: macrofossils
Collected by Romer, Bonaparte; reposited in the MCZ
Primary reference: A. Arcucci and C. A. Marsicano. 1999. A distinctive new archosaur from the Middle Triassic (Los Chanares Formation) of Argentina. Journal of Vertebrate Paleontology 19:228-232 [R. Butler/R. Butler]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 105535: authorized by Richard Butler, entered by Richard Butler on 22.02.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
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Tarjadia ruthae Arcucci and Marsicano 1999 archosauromorph MCZ 9319, skull roof, mandibular fragment, osteoderm
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Tropidosuchus romeri n. gen. n. sp.3
Tropidosuchus romeri n. gen. n. sp.3 Arcucci 1990 archosauromorph PVL 4601 (holotype), PVL 4602-4606, 4624
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"Pseudolagosuchus major n. gen. n. sp." = Lewisuchus admixtus2
"Pseudolagosuchus major n. gen. n. sp." = Lewisuchus admixtus2 Romer 1972 ornithodiran PVL 3454 (holotype), hindlimb material. MACN 18954, PULR 53, postcrania
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