Barrancas del Arroyo Chasicó: Chasicoan, Argentina
collected by Galileo J. Scaglia & Osvaldo Reig and other 1948

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Ctenomyidae
Chasicomys octodontiforme n. sp. Pascual 1967
Pascual 1967
Holotype: MLP 55-IV28-1, but also M.M.P., M480, M.L.P. 55·IY-28-2 (see also ref 71533)
Mammalia - Rodentia - Octodontidae
Chasichimys bonaerense n. gen., n. sp. Pascual 1967
Pascual 1967
M.L.P 55·IV-28-3
    = Metacaremys primitiva n. sp. Piñero et al. 2021
Piñero et al. 2021
M.L.P 55·IV-28-3
Cercomys primitiva n. sp. Pascual 1967
Pascual 1967
synonym of Metacaremys primitiva
only the Type: M.M.P., M317
Chasicomys cangapoli n. sp. Quintana 1995
Quintana 1995
synonym of Metacaremys primitiva
Holotype: MMP 1501-M
Mammalia - Rodentia
Chasichimys bonaerense Pascual 1967
Pascual 1967
Holotype only: MLP 60-VI-18-108
Mammalia - Panameriungulata - Proterotheriidae
Neobrachytherium ullumense Soria 2001
Cerdeno 2003
MCNAM-PV 3222 & 3223
Mammalia - Nothrotheriidae
Chasicobradys intermedius n. gen., n. sp. Scillato-Yané et al. 1987
see common names

Geography
Country:Argentina State/province:Buenos Aires
Coordinates: 38.6° South, 63.0° West (view map)
Paleocoordinates:38.8° South, 60.1° West
Basis of coordinate:based on nearby landmark
Altitude:988 meters
Geographic resolution:local area
Time
Period: Neogene Epoch: Miocene
Stage: Tortonian 10 m.y. bin: Cenozoic 6
Key time interval: Chasicoan Mammal zone:  Chasicoan
Age range of interval: 9.9 - 7.9 m.y. ago
Stratigraphy
Formation:Arroyo Chasicó Member:Vivero
Stratigraphic resolution:member
Stratigraphy comments: En la base de las barrancas del arroyo Chasicó

Pascual, 1967: niveles inferiores de la Formación Arroyo Chasicó, aproximadamente a 1 m sobre el cauce actual del Arroyo Chasicó
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collectors:Galileo J. Scaglia & Osvaldo Reig and other Collection dates:1948 and other
Collection method comments: Repository MMP (Museo Municipal de Ciencias Naturales de Mar del Plata)
Cerdeno 2003: Museo de La Plata (MLP) y al Museo de la Universidad de San Juan (PVSJ)
Metadata
Database number:140913
Authorizer:C. Jaramillo, P. Mannion, J. Carrillo Enterer:J. Carrillo, K. Pino, M. Kouvari
Modifier:M. Kouvari Research group:vertebrate
Created:2013-03-19 03:55:38 Last modified:2020-11-30 06:45:52
Access level:database members Released:2014-03-19 03:55:38
Creative Commons license:CC BY
Reference information

Primary reference:
45726. G. J. Scillato-Yané, A. A. Carlini, and S. F. Vizcaíno. 1987. Nuevo Nothrotheriinae (Edentata, Tardigrada) de Edad Chasiquense (Mioceno tardío) del Sur de la Provincia de Buenos Aires (Argentina). Ameghiniana 24(3-4):211-215 [C. Jaramillo/J. Carrillo]

Secondary references:

70096 E. Cerdeno. 2003. Neobrachytherium ullumense (Proterotheriidae, Litopterna) en el Mioceno Superior de la Provincia de Buenos Aires (Argentina). Ameghiniana 40(3):505-508 [P. Mannion/M. Kouvari/M. Kouvari]
73539 R. Pascual. 1967. Los roedores Octodontoidea (Caviomorpha) de la Formación Arroyo Chasicó (Plioceno inferior) de la Provincia de Buenos Aires. Revista del Museo de la Plata 5:259-282 [P. Mannion/M. Kouvari]
85280 P. Piñero, D. H. Verzi, A. I. Olivares, C. I. Montalvo, R. L. Tomassini and A. Fernández Villoldo. 2021. Evolutionary pattern of Metacaremys gen. nov. (Rodentia, Octodontidae) and its biochronological implications for the late Miocene and early Pliocene of southern South America. Papers in Palaeontology 7(4):1859-1917 [J. Carrillo/K. Pino/P. Mannion]
71533 C. A. Quintana. 1995. Diversidad y relaciones sistematicas de Chasicomys Pascual, 1967 (Rodentia, Octodontoidea) del Mioceno de Argentina. Boletín de la Sociedad Española de Historia Natural 90(1-4):51-58 [P. Mannion/M. Kouvari]