Barrancas de Monte Hermoso (Pliocene of Argentina)

Where: Buenos Aires, Argentina (39.0° S, 61.7° W: paleocoordinates 39.1° S, 60.2° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Montehermosan mammal zone, Monte Hermoso Formation, Montehermosan (5.0 - 3.8 Ma)

• "Bancos No 3 y 4 de acuerdo a la nomenclatura estratigráfica propuesta por Bonaparte (1960, a lo largo de la costa hasta la Farola de Monte Hermoso

• member-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collection methods: Departamento de Paleontología de la Facultad de Humanidades y Ciencias de Montevideo

Primary reference: A. Mones. 1980. Sobre una colección de vertebrados fósiles de Monte Hermoso (Plioceno Superior), Argentina, con la descripción de una nueva especie de Marmosa (Marsupialia: Didelphidae). Comunicaciones Paleontologicas del Museo de Historia Natural de Montevideo 1(8):159-169 [C. Jaramillo/J. Carrillo]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 145757: authorized by Carlos Jaramillo, entered by Juan Carrillo on 10.06.2013, edited by Miranta Kouvari and Kateryn Pino

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cingulata -
Eosclerocalyptus lineatus n. sp.3 Ameghino 1888 edentate
Holotype: MLP - ?
 Cingulata - Glyptodontidae
Glyptodontidae indet. Burmeister 1879 glyptodon
 Cingulata - Panochthidae
Nopachtus cabrerai n. sp.2 Zamorano et al. 2011 edentate
Holotype: MACN Pv 2670
 Cingulata - Dasypodidae
Dasypodidae indet. Gray 1821 armadillo
Doellotatus sp. Bordas 1932 armadillo
1 specimen
Chorobates sp. Reig 1958 armadillo
1 specimen
Paleuphractus sp. Kraglievich 1934 armadillo
1 specimen
 Rodentia - Echimyidae
Eumysops laeviplicatus Ameghino 1888 spiny rat
3 specimens
 Rodentia - Ctenomyidae
Actenomys latidens caviomorph
36 specimens
 Rodentia - Octodontidae
Pseudoplataeomys formosus Kraglievich 1934 caviomorph
3 specimens
Phtoramys homogenidens Ameghino 1887 caviomorph
1 specimen
Pithanotomys columnaris Ameghino 1887 caviomorph
1 specimen
 Rodentia - Chinchillidae
Lagostomus euplasius Ameghino 1908 viscacha
3 specimens
 Notoungulata - Hegetotheriidae
"Paedotherium insigne" = Paedotherium bonaerense
"Paedotherium insigne" = Paedotherium bonaerense Ameghino 1887 notoungulate
19 specimens
 Notoungulata - Mesotheriidae
"Pseudotypotherium bravardi" = Pseudotypotherium exiguum, "Pseudotypotherium insigne" = Pseudotypotherium exiguum1
"Pseudotypotherium bravardi" = Pseudotypotherium exiguum Ameghino 1887 notoungulate
3 specimens
"Pseudotypotherium insigne" = Pseudotypotherium exiguum1 Ameghino 1887 notoungulate
Holotype: MLP 12-1678
 Didelphimorphia - Didelphidae
Marmosa contrerasi n. sp. Mones 1980 mouse opossum
Holotype