Also known as Southern Cliff of Colhué Huapi lake; Yacimiento Las Flores
Where: Chubut, Argentina (45.6° S, 69.1° W: paleocoordinates 48.1° S, 59.1° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Itaboraian mammal zone, Las Flores Formation (Río Chico Group), Ypresian (56.0 - 47.8 Ma)
• Originally correlated with Banco Negro Inferior levels (Marshall et al., 1981), the Las Flores Formation (Legarreta & Uliana, 1994) was later referred to the Río Chico Group (Legarreta & Uliana, 1994) and to the Kibenikhoria faunal zone (Bond et al., 1995).
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• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Primary reference: F. J. Goin, A. M. Candela, M. A. Abello and E. V. Oliveira. 2009. Earliest South American paucituberculatans and their significance in the understanding of ‘pseudodiprotodont’ marsupial radiations. Zoological Journal of the Linnean Society 155:867-884 [P. Mannion/P. Mannion]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 133040: authorized by Philip Mannion, entered by Philip Mannion on 31.08.2012, edited by Jelle Zijlstra and Grace Varnham
Creative Commons license: CC BY (attribution)
Taxonomic list
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Ceratodontidae indet.3 Gill 1872 lungfish MLP 90-II-5-990, a fragmentary upper tooth plate preserving the greater part of the first ridge and the whole second ridge. The biological wear was normal, and the material does not show any evidence of significant post-mortem abrasion.
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Victorlemoineia sp. Ameghino 1901 placental MLP 90-II-5-336 (an isolated upper molar M?2; lacking the metastylar area), MLP 90-II-5-335 (an isolated left protocone), MLP 90-II-5-337 (an isolated right protocone) and MLP 90-II-5-300 (an isolated right talonid)
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Bardalestes sp. Goin et al. 2009 marsupial MLP 90-II-5-336, an isolated upper molar (M?2; Fig. 2C, D) lacking the metastylar area; MLP 90-II-5-335, an isolated left protocone; MLP 90-II-5-337, an isolated right protocone; MLP 90-II-5-300 (Fig. 2E, F), an isolated right talonid.
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| Amphibia | |
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