Where: Neuquén, Argentina (39.5° S, 70.2° W: paleocoordinates 39.5° S, 35.0° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Puesto Antigual Member (La Amarga Formation), Barremian (129.4 - 125.0 Ma)
• "lower section" of the La Amarga Formation; basal part of member
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial-lacustrine; micaceous, conglomeratic sandstone
Size class: macrofossils
Collected by J. F. Bonaparte, G. Rougier, M. Vince in 1983-1986
Collection methods: quarrying,
• Site discovered by Luis B. Cazau, working with YPF in 1983, then shown to J. F. Bonaparte on the 8a Expedición Paleontológica a la Patagonia in Feb. 1984
Primary reference: J. F. Bonaparte. 1984. I dinosauri dell’Argentina [. In G. M. Ronzoni, M. L. Greggio, & T. B. Guarinoni (eds.), Sulle Orme dei Dinosauri 125-143 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 13333: authorized by Matthew Carrano, entered by Matthew Carrano on 26.02.2002, edited by Jill Wertheim and Jonathan Tennant
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Amargasuchus minor n. gen. n. sp.1
Amargasuchus minor n. gen. n. sp.1 Chiappe 1988 Amarga crocodile MACN-N 12 - holotype (incomplete right maxilla)
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Amargastegos brevicollus n. gen. n. sp.4
Amargastegos brevicollus n. gen. n. sp.4 Ulansky 2014 ornithischian MACN-N 43 (only the worn cervical vertebra from this specimen # is from this site)
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Amargasaurus cazaui n. gen. n. sp.3
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