Muyu Huasi (Neogene of Bolivia)

Where: Chuquisaca, Bolivia (19.0° S, 65.3° W: paleocoordinates 19.2° S, 63.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Muyu Huasi Formation, Huayquerian (8.0 - 5.0 Ma)

• The original reference does not confirm the age (says just L. Miocene). In later papers: the Muyu Huasi Formation, Bolivia, late Miocene, Huayquerian SALMA (Hoffstetter, 1986; Marshall and Sempere, 1991)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; poorly lithified, red mudstone

Size classes: macrofossils, mesofossils

Primary reference: C. Villarroel and L. G. Marshall. 1989. A new fossil land mammal locality of late Miocene (Huayquerian) age from Muyu Huasi, southcentral Bolivia. Boletin del Servicio Geológico de Bolivia, Serie A IV(1):27-40 [D. Croft/M. Sameh]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 68792: authorized by Darin Croft, entered by Deborah Weinstein on 07.02.2007, edited by Kateryn Pino

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Panameriungulata - Proterotheriidae
Proterotheriidae indet.1
Proterotheriidae indet.1 Ameghino 1887 placental
 Rodentia - Abrocomidae
Protabrocoma sp.1
Protabrocoma sp.1 Kraglievich 1927 chinchilla rat
 Rodentia - Octodontidae
Metacaremys primitiva2
Metacaremys primitiva2 Piñero et al. 2021 caviomorph
 Rodentia - Erethizontidae
Erethizontidae indet.1
Erethizontidae indet.1 Bonaparte 1845 porcupine
 Rodentia - Dinomyidae
Dinomyidae indet.1
Dinomyidae indet.1 Peters 1873 caviomorph
 Rodentia - Chinchillidae
"Lagostomopsis sp." = Lagostomus (Lagostomopsis)1
"Lagostomopsis sp." = Lagostomus (Lagostomopsis)1 Kraglievich 1926 viscacha
 Rodentia - Caviidae
? Orthomyctera sp.1, ? Cardiomys sp.1
? Orthomyctera sp.1 Ameghino 1889 caviomorph
? Cardiomys sp.1 Ameghino 1885 caviomorph
  - Mylodontidae
Mylodontidae indet.1
Mylodontidae indet.1 Ameghino 1889 edentate
 Cingulata - Dasypodidae
cf. Paleuphractus sp.1, cf. Doellotatus sp.1
cf. Paleuphractus sp.1 Kraglievich 1934 armadillo
cf. Doellotatus sp.1 Bordas 1932 armadillo
 Notoungulata - Hegetotheriidae
Pseudohegetotherium sp.1
Pseudohegetotherium sp.1 Cabrera and Kraglievich 1931 notoungulate
 Notoungulata - Interatheriidae
Protypotherium sp.1
Protypotherium sp.1 Ameghino 1882 notoungulate
1Marshall and Sempere 1991; 2Piñero et al. 2021