Nazareno (area 2) (Miocene of Bolivia)

Also known as 6 km northwest of Arenales

Where: Potosí, Bolivia (21.7° S, 65.6° W)

• Paleocoordinates: 21.2° S, 62.2° W (Wright 2013)

• coordinate stated in text

• local area-level geographic resolution

When: Nazareno Formation, Langhian (16.0 - 13.8 Ma)

• Probably Langhian based on Croft and Anaya (2020)

•

•middle and upper members of the Nazareno Formation

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; mudstone

• fossils derive from braided stream deposits (primarily mudstones)
• reddish-tan mudstones

Size classes: macrofossils, mesofossils

Preservation: permineralized

Collected in 2003-2017; reposited in the MNHN (La Paz)

Collection methods: surface (float), surface (in situ), mechanical,

Primary reference: D. A. Croft and F. Anaya. 2020. A new typothere notoungulate (Mammalia: Interatheriidae), from the Miocene Nazareno Formation of Southern Bolivia. Ameghiniana 57(2):189-208 [P. Mannion/P. Mannion]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 211381: authorized by Philip Mannion, entered by Philip Mannion on 15.07.2020, edited by Grace Varnham

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Rodentia - Chinchillidae
Miochinchilla plurinacionalis
Miochinchilla plurinacionalis Croft et al. 2021 chinchilid
UATF-V-000066
 Notoungulata - Interatheriidae
Juchuysillu arenalesensis
Juchuysillu arenalesensis Croft and Anaya 2020 notoungulate
UATF-V-000045, UATF-V-000073, and UATF-V-002099