Where: Chubut, Argentina (42.2° S, 69.7° W: paleocoordinates 42.8° S, 65.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Langhian (16.0 - 13.8 Ma)
• Brandoni 2014: El ejemplar MPEF-PV 3264 fue colectado en la localidad de “El Petiso” ubicada al noroeste de la Provincia de Chubut (Fig. 1) en sedimentos considerados de probable edad “Colloncurense” o “post-Colloncurense” (Mioceno Medio) (Villafañe et al., 2008; Pérez, 2010; Pérez y Vucetich, 2011) (Fig. 2).
Environment/lithology: terrestrial; lithified, silty tuff
Size classes: macrofossils, mesofossils
Collection methods: Museum repository: Museo Paleontologico Egidio Feruglio, Trelew.
Primary reference: M. E. Pérez. 2010. A new rodent (Cavioidea, Hystricognathi) from the middle Miocene of Patagonia, mandibular homologies, and the origin of the crown group Cavioidea sensu stricto. Journal of Vertebrate Paleontology 30(6):1848-1859 [C. Jaramillo/A. Cardenas /J. Zijlstra]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 133676: authorized by Carlos Jaramillo, entered by Andrés Cárdenas on 22.09.2012, edited by Juan Carrillo, Jelle Zijlstra and Grace Varnham
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Sciamys petisensis n. sp.1
Sciamys petisensis n. sp.1 Arnal and Pérez 2013 caviomorph Holotype. MPEF-PV 3560, right mandibular fragment with p4-m3. Referred material. MPEF-PV 3561, right mandibular fragment with dp4-m1; MPEF-PV 3562, left mandibular fragment with p4-m3; MPEF-PV 3563, left mandibular fragment with m1-m3; MPEF-PV 3564, right mandibular fragment with i, posterior lobe of m1, and m2; MPEF-PV 3565, right mandibular fragment with i, posterior lobe of m1, and m2; MPEF-PV 3566, left mandibular fragment with i, dp4-m2.
| |
Guiomys unica Pérez 2010 caviomorph holotype and specimens MPEF-PV 3505, MPEF-PV 3506, MPEF-PV 3508, MPEF-PV 3512, MPEF-PV 3513, MLP 91-IX-4–2, MLP 91-IX-4–3, MPEF-PV 3524, MPEF-PV 3526, MPEF-PV 3529, MPEF-PV 3527, MPEF-PV 3533, MPEF-PV 3534, MPEF-PV 3535, MPEF-PV 3536, MPEF-PV 3538, MPEF-PV 3539, MPEF-PV 3540, MPEF-PV 3541, MPEF-PV 3542, MPEF-PV 3543, MLP 91-IX-4–1
Microcardiodon williensis n. gen. n. sp.3 Pérez and Vucetich 2011 caviomorph Holotype and 5 specimens
| |
|