Juruá River: Late Miocene, Brazil

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Cetacea
1 specimen
Uhen 2500
Specimen has never been figured, and is missing (Bergqvist et al. (1999).
Osteichthyes - Cetacea - Iniidae
1 specimen
Osteichthyes - Rodentia - Neoepiblemidae
Neoepiblemidae indet. Kraglievich 1926
Kerber 2017
unclassified
Gyriabrinae indet. Kraglievich 1930
Kerber 2017
Kerber 2017
Osteichthyes - Rodentia - Neoepiblemidae
Phoberomys sp. Kraglievich 1926
Kerber 2017
cf. Phoberomys sp. Kraglievich 1926
Kerber 2017
Osteichthyes - Rodentia - Dinomyidae
Kerber 2017
cf. Gyriabrus sp. Ameghino 1891
Kerber 2017
Tetrastylus sp. Ameghino 1886
Kerber 2017
Kerber 2017
Kerber 2017
Kerber 2017
Kerber 2017
Kerber 2017
Kerber 2017
Kerber 2017
Osteichthyes - Rodentia
Kerber 2017
Osteichthyes - Rodentia - Agoutidae
Kerber 2017
Osteichthyes - Rodentia - Dasyproctidae
Kerber 2017
Osteichthyes - Rodentia - Hydrochoeridae
Kerber 2017
Osteichthyes - Rodentia - Echimyidae
Phyllomys sp. Lund 1839
Kerber 2017
Osteichthyes - Rodentia - Erethizontidae
Erethizontidae indet. Bonaparte 1845
Kerber 2017
Osteichthyes - Sirenia - Trichechidae
Paula Couto 1956 1 specimen
precise locality information is lacking
Osteichthyes
Mourasuchus amazonensis n. gen., n. sp. Price 1964
Cidade et al. 2019
DGM-526-R - holotype - nearly complete skull with associated left hemimandible
see common names

Geography
Country:Brazil
Coordinates: 7.7° South, 72.5° West (view map)
Paleocoordinates:7.2° South, 70.3° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Neogene Epoch: Miocene
10 m.y. bin: Cenozoic 6
Key time interval: Late Miocene
Age range of interval: 11.63 - 5.333 m.y. ago
Stratigraphy
Formation:Solimoes
Stratigraphic resolution:formation
Stratigraphy comments: The outcrops along the Jurua River belong to the Solimoes Formation, considered to be of Mio-Pliocene age on the basis of pollen, vertebrates and invertebrates (Bergqvist et al. 1999).
Lithology and environment
Primary lithology: not reported
Environment:fluvial-lacustrine indet.
Geology comments: This formation is a fluvio-lacustrine deposit (Bergqvist et al., 1999).
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Jurua River, Río Juruá
Database number:57989
Authorizer:M. Uhen, P. Mannion Enterer:M. Uhen, P. Mannion, G. Varnham
Modifier:G. Varnham Research group:vertebrate
Created:2006-01-12 14:52:49 Last modified:2025-02-22 15:12:02
Access level:the public Released:2006-01-12 14:52:49
Creative Commons license:CC0
Reference information

Primary reference:
15593. A. Miranda-Ribeiro. 1938. Plicodontinia mourai. Livro Jubilar do Professor Lauro Travassos 319-321 [M. Uhen/M. Uhen]

Secondary references:

85317 M. Arnal, M. E. Pérez, L. M. Tejada Medina and K. E. Campbell. 2022. The high taxonomic diversity of the Palaeogene hystricognath rodents (Caviomorpha) from Santa Rosa (Peru, South America) framed within a new geochronological context. Historical Biology 34(12):2350-2373 [J. Carrillo/K. Pino/P. Mannion]
47553 L. P. Bergqvist, C. J. Drehmer, A. M. Ribeiro and E. V. Oliveira. 1999. Aquatic mammal fossils from Brazil: A review. 4(6):28-32 [M. Uhen/M. Uhen]
69530 G. M. Cidade, D. Riff, J. P. Souza-Filho and A. Schmaltz Hsiou. 2019. A reassessment of the osteology of Mourasuchus amazonensis Price, 1964 with comments on the taxonomy of the species. Palaeontologia Electronica 22(2):44A:1-23 [P. Mannion/P. Mannion/P. Mannion]
73095 L. Kerber. 2017. Imigrantes em um continente perdido: O registro fossilífero de roedores Caviomorpha (Mammalia: Rodentia: Ctenohystrica) do Cenozoico do Brasil . Terræ Didatica 13(2):185-211 [P. Mannion/G. Varnham]
38514 C. Paula Couto. 1956. Mamiferos fosseis do Cenozoico da Amazonia. Conselho Nacional de Pesquisas Boletim 3:1-121 [M. Uhen/M. Uhen]