Where: Neuquén, Argentina (41.0° S, 71.2° W: paleocoordinates 43.5° S, 61.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Huitrera Formation, Ypresian (56.0 - 47.8 Ma)
• "Middle Eocene – Early Oligocene", later dated to the early Eocene (40Ar/39Ar of 54.24 +/- 0.45 Ma)
• group-level stratigraphic resolution
Environment/lithology: crater lake; lithified, brown, green, silty mudstone and sandstone
Size class: macrofossils
Preservation: adpression
Collection methods: Repository: Museo Palaeontológico (BAR), San Carlos de Bariloche, also called Museo Asociación Paleontológica Bariloche (MAPBAR)
Primary reference: A. M. Báez and L. A. Pugener. 2003. Ontogeny of a new Palaeogene pipid frog from southern South America and xenopodinomorph evolution. Zoological Journal of the Linnean Society 139(3):439-476 [J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 84702: authorized by John Alroy, entered by John Alroy on 06.11.2008, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Cupressaceae indet. Gray 1822 cypress | |
Podocarpaceae indet. Endlicher 1847 podocarp | |
Angiospermae | |
Lauraceae indet. Jussieu 1789 laurel | |
Amphibia | |
Llankibatrachus truebae n. gen. n. sp.
Llankibatrachus truebae n. gen. n. sp. Báez and Pugener 2003 clawed frog | |
Insecta | |
Inacayalestes aikunhuapi n. gen. n. sp.
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