Also known as Ullum Dam
Where: San Juan, Argentina (31.0° S, 69.0° W: paleocoordinates 31.3° S, 66.3° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Chasicoan mammal zone, Arenisca Albardón Member (Loma de Las Tapias Formation), Chasicoan (10.0 - 9.0 Ma)
• "Niveles basales del miembro Arenisca Albardón"
•Olivares et al. 2017: The Loma de Las Tapias Formation is divided into two members (Rodriguez, 2004): a lower one named Limolita La Colmena and an upper one, Arenisca Albardon. Radiometric analysis of a tuff from the middle levels of the Arenisca Albardon Member yielded a date of 7.0 +/- 0.9 Ma (Bercowski et al., 1986). Based on numerical ages and local history of magnetic polarity (Bercowski et al., 1986), these members are accepted as late Miocene in age, between 9.0 and 5.4 Ma (Contreras and Baraldo, 2011).
• member-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Collection methods: Colección paleontológica del Instituto y Museo de Ciencias Naturales, Universidad Nacional de San Juan.
Primary reference: V. H. Contreras. 1990. Un nuevo Hathlyacyninae (Mammalia: Borhyaenidae) del Chasiquense (Mioceno Superior) de la Provincia de San Juan, Argentina. Actas V Congreso Argentino de Paleontología y Bioestratigrafía. Serie Correlación Geológica (7)163-168 [C. Jaramillo/J. Carrillo]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 146533: authorized by Carlos Jaramillo, entered by Juan Carrillo on 26.06.2013, edited by Evangelos Vlachos and Grace Varnham
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Ullumys pattoni n. sp.2
| |
"Simpsonia borhyaenoides n. gen. n. sp." = Contrerascynus borhyaenoides
"Simpsonia borhyaenoides n. gen. n. sp." = Contrerascynus borhyaenoides Contreras 1990 metatherian | |
Reptilia | |
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