Juruá River: Late/Upper Miocene, Brazil
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
unclassified
|
||||||||||
|
Gyriabrinae indet.
Kraglievich 1930
|
Kerber 2017 | |||||||||
|
Eumysominae indet.
|
Kerber 2017 | |||||||||
|
Reptilia
|
||||||||||
|
Mourasuchus amazonensis n. gen., n. sp.
Price 1964
|
Cidade et al. 2019 | |||||||||
| DGM-526-R - holotype - nearly complete skull with associated left hemimandible | ||||||||||
|
Mammalia
- Sirenia
- Trichechidae
|
||||||||||
|
Trichechus sp.
Linnaeus 1758
|
Paula Couto 1956 | 1 specimen | ||||||||
| precise locality information is lacking | ||||||||||
|
Mammalia
- Rodentia
- Erethizontidae
|
||||||||||
|
Erethizontidae indet.
Bonaparte 1845
|
Kerber 2017 | |||||||||
|
Mammalia
- Rodentia
- Dasyproctidae
|
||||||||||
|
Dasyproctidae indet.
Gray 1825
|
Kerber 2017 | |||||||||
|
Mammalia
- Rodentia
- Agoutidae
|
||||||||||
|
Eoincamys sp.
Frailey and Campbell 2004
|
Kerber 2017 | |||||||||
|
Mammalia
- Rodentia
|
||||||||||
|
cf. Eobranisamys sp.
Frailey and Campbell 2004
|
Kerber 2017 | |||||||||
|
Mammalia
- Rodentia
- Hydrochoeridae
|
||||||||||
|
Hydrochoeridae indet.
Gill 1872
|
Kerber 2017 | |||||||||
|
Mammalia
- Rodentia
- Dinomyidae
|
||||||||||
|
cf. Gyriabrus sp.
Ameghino 1891
|
Kerber 2017 | |||||||||
|
Simplimus sp.
Ameghino 1904
|
Kerber 2017 | |||||||||
|
cf. Scleromys colombianus
Fields 1957
|
Kerber 2017 | |||||||||
|
Scleromys cf. colombianus
Fields 1957
|
Kerber 2017 | |||||||||
|
Eumegamys paranaensis
|
Kerber 2017 | |||||||||
|
Tetrastylus sp.
Ameghino 1886
|
Kerber 2017 | |||||||||
|
Telicomys amazonensis
Frailey 1986
|
Kerber 2017 | |||||||||
|
Potamarchus sigmodon
|
Kerber 2017 | |||||||||
|
Potamarchus murinus
Burmeister 1885
|
Kerber 2017 | |||||||||
|
Potamarchus adamiae
Kerber et al. 2016
|
Kerber 2017 | |||||||||
|
Mammalia
- Rodentia
- Neoepiblemidae
|
||||||||||
|
Neoepiblemidae indet.
Kraglievich 1926
|
Kerber 2017 | |||||||||
|
Phoberomys sp.
Kraglievich 1926
|
Kerber 2017 | |||||||||
|
cf. Phoberomys sp.
Kraglievich 1926
|
Kerber 2017 | |||||||||
|
Mammalia
- Rodentia
- Echimyidae
|
||||||||||
|
Phyllomys sp.
Lund 1839
|
Kerber 2017 | |||||||||
|
Cetacea
- Cetacea
|
||||||||||
|
Zeuglodon sp.
Owen 1839
|
1 specimen | |||||||||
|
= Cetacea indet.
Brisson 1762
|
Uhen 2500 | |||||||||
| Specimen has never been figured, and is missing (Bergqvist et al. (1999). | ||||||||||
|
Mammalia
- Cetacea
- Iniidae
|
||||||||||
|
Plicodontinia mourai n. gen., n. sp.
Miranda-Ribeiro 1938
|
1 specimen | |||||||||
| nomen dubium belonging to Iniidae | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Brazil |
| Coordinates: | 7.7° South, 72.5° West (view map) |
| Paleocoordinates: | 8.0° South, 70.8° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Late/Upper Miocene | ||
| Age range of interval: | 11.63000 - 5.33300 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: | 2020-07-28 04:04:50 |
| Access level: | the public | Released: | 2006-01-12 14:52:49 |
| Creative Commons license: | CC BY | ||
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] |