Where: La Pampa, Argentina (37.7° S, 63.5° W: paleocoordinates 37.9° S, 61.2° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Cerro Azul Formation, Huayquerian (8.0 - 5.0 Ma)
• The Cerro Azul Formation is referrecl to the Huayquerian (Late Miocene) based on the presence of severa! groups of fossil mammals.
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•Romano et al. 2023: Biochronological methods were useful in ordering and estimating the age of the different faunas of the Cerro Azul Formation, ranging from ca. 8 to ca. 5.7 Ma. Some appear to be transitional between Chasicoan and “Huayquerian” faunas (Cerro La Bota, Cerro Patagua, and Algarrobo del Águila), and other three (Barrancas Coloradas, El Guanaco, and Caleufú) cover the latest Miocene, even some of them could have reached the earliest Pliocene. The Cerro Azul Formation localities cover the range between ca. 8 to ca. 5.7 Ma (late Tortonian–Messinian; Late Miocene; Fig. 3; Supplementary Online Information 1, Tab. S8). 7.154 Ma (6.904 - 7.560 Ma) for Guatreché.
• formation-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Collection methods: Esteban, et al. 2000: Todos los ejemplares analizados están depositados en
•la Cátedra de Geología Histórica de la Facultad de Ciencias Exactas y Naturales de la Universidad Nacional ele La Pampa, Argentina, cuyo acrónimo es GHUNLPam
Primary reference: G. I. Esteban, N. L. Nasif, and C. I. Montalvo. 2000. Nuevos registros de Dasypodidae (Xenarthra) del Mioceno tardío de la provincia de La Pampa, Argentina. Revista Espanola de Paleontología 16(1):77-87 [P. Mannion/M. Kouvari]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 204361: authorized by Philip Mannion, entered by Miranta Kouvari on 06.09.2019, edited by Grace Varnham and Kateryn Pino
Creative Commons license: CC BY (attribution)
Taxonomic list
Aves | |
Phorusrhacidae indet.1 Ameghino 1889 terror bird GHUNLPam 6325, shaft and distal end of left tibiotarsus
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Mammalia | |
Scalabrinitherium bravardi3 Ameghino 1883 placental GHUNLPam 5138, left partial maxilla with M1 (incomplete)-M3, and GHUNLPam 5139, right trigonid of a lower molar,
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Metacaremys dimi n. sp.2
Metacaremys dimi n. sp.2 Piñero et al. 2021 caviomorph Holotype: MMH-GUA 20-01, and GHUNLPam 8323, MMH-GUA 20-02
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Macroeuphractus morenoi Lydekker 1894 armadillo
Proeuphractus sp. Ameghino 1886 armadillo | |
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