Chiquimil A (Neogene of Argentina)

Where: Catamarca, Argentina (26.8° S, 66.1° W: paleocoordinates 27.0° S, 64.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Huayquerian mammal zone, A Member (Chiquimil Formation), Huayquerian (8.0 - 5.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: terrestrial; fine-grained sandstone

Size class: macrofossils

Primary reference: E. S. Riggs and B. Patterson. 1939. Stratigraphy of late Miocene and Pliocene deposits of the province of Catamarca (Argentina)with notes on the faunae. Physis 14:143-162 [C. Jaramillo/J. Carrillo]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 157794: authorized by Carlos Jaramillo, entered by Juan Carrillo on 04.07.2014, edited by Grace Varnham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Aves
 Gruiformes - Phorusrhacidae
Procariama simplex1
Procariama simplex1 Rovereto 1914 terror bird
Mammalia
 Cingulata -
"Eosclerocalyptus planus" = Eosclerocalyptus proximus2, Stromaphorus sp.2
"Eosclerocalyptus planus" = Eosclerocalyptus proximus2 Moreno and Mercerat 1891 edentate
Stromaphorus sp.2 Castellanos 1926 edentate
 Cingulata - Pampatheriidae
Vassallia sp.2
Vassallia sp.2 Castellanos 1927 edentate
 Cingulata - Dasypodidae
Chasicotatus sp.2, Chorobates sp.2, Paleuphractus sp.2, Vetelia sp.2
Chasicotatus sp.2 Scillato-Yané 1977 armadillo
Chorobates sp.2 Reig 1958 armadillo
Paleuphractus sp.2 Kraglievich 1934 armadillo
Vetelia sp.2 Ameghino 1891 armadillo
  - Mylodontidae
Proscelidodon sp.2
Proscelidodon sp.2 Bordas 1935 edentate
 Notoungulata - Mesotheriidae
Typotheriopsis sp.2
Typotheriopsis sp.2 Cabrera and Kraglievich 1930 notoungulate
 Notoungulata - Hegetotheriidae
Paedotherium sp.2
Paedotherium sp.2 Burmeister 1888 notoungulate
 Notoungulata - Toxodontidae
Xotodon sp.2
Xotodon sp.2 Ameghino 1887 notoungulate
 Rodentia - Chinchillidae
"Lagostomopsis sp." = Lagostomus (Lagostomopsis)2
"Lagostomopsis sp." = Lagostomus (Lagostomopsis)2 Kraglievich 1926 viscacha
 Rodentia - Caviidae
Cardiomys sp.2, Orthomyctera andina2
Cardiomys sp.2 Ameghino 1885 caviomorph
Orthomyctera andina2 Rovereto 1914 caviomorph
 Rodentia - Dinomyidae
Potamarchus sp.2, Paranamys sp.2, Gyriabrus sp.2, Tetrastylus sp.2
Potamarchus sp.2 Burmeister 1885 caviomorph
Paranamys sp.2 Kraglievich 1934 caviomorph
Gyriabrus sp.2 Ameghino 1891 caviomorph
Tetrastylus sp.2 Ameghino 1886 caviomorph
 Rodentia - Abrocomidae
Protabrocoma sp.2
Protabrocoma sp.2 Kraglievich 1927 chinchilla rat
 Panameriungulata - Proterotheriidae
"Diadiaphorus sp." = Proterotherium2
"Diadiaphorus sp." = Proterotherium2 Ameghino 1883 placental
1Alvarenga and Holfing 2003; 2Reguero and Candela 2011