Pedra Preta: Pleistocene, Brazil

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Glypdontidae indet.
Lacerda et al. 2021 8 specimens
AMNH 55.739 to 55.747
Mammalia
Mammalia indet. Linnaeus 1758
Lacerda et al. 2021
Mammalia - Xenarthra
Xenarthra indet. (Cope 1889)
Lacerda et al. 2021 1 specimen
DGM 475-M
Mammalia - Cingulata
Cingulata indet. (Illiger 1811)
Lacerda et al. 2021 1 specimen
DGM 476-M
Mammalia - Megatheriidae
Megatheriidae indet. (Gray 1821)
Lacerda et al. 2021 2 specimens
misspelling Megatheriadae
AMNH 55.727; 55.724
Megatheriinae indet. Gill 1872
Eremotherium sp. Spillmann 1948
Mammalia - Rodentia
Rodentia indet. Bowdich 1821
Lacerda et al. 2021 5 specimens
AMNH 55.812 to 55.816; DGM 477-M
Mammalia - Notoungulata - Toxodontidae
Toxodontidae indet. Ameghino 1889
Lacerda et al. 2021 12 specimens
AMNH 55.777 to 55.786; DGM 467-M; 471-M; 474-M
Mammalia - Astrapotheria - Astrapotheriidae
Astrapotheriidae indet. Ameghino 1887
Lacerda et al. 2021 1 specimen
AMNH 55.736
Mammalia - Proboscidea - Gomphotheriidae
Notiomastodon platensis (Ameghino 1888)
Lacerda et al. 2021 5 specimens
AMNH 55.716; 55.715; DGM 466-M; 473-M; DGM 472-M
Mammalia - Sirenia - Trichechidae
cf. Trichechus sp. Linnaeus 1758
Domning 1982 1 specimen
Reptilia
Testudinata indet. (Oppel 1811)
Lacerda et al. 2021
Reptilia - Testudines
Pleurodira indet. Cope 1865
Lacerda et al. 2021
Reptilia - Testudines - Chelidae
Chelus sp. Duméril 1806
Lacerda et al. 2021
Reptilia - Testudines - Podocnemididae
Podocnemis sp. Wagler 1830
Lacerda et al. 2021
Reptilia - Testudines - Testudinidae
Chelonoidis sp. (Fitzinger 1835)
de Broin et al. 1993
original and current combination Geochelone (Chelonoidis)
giant size
Reptilia - Crocodyliformes
Crocodyliformes indet. (Hay 1930)
Lacerda et al. 2021
see common names

Geography
Country:Brazil
Coordinates: 8.8° South, 72.8° West (view map)
Paleocoordinates:8.9° South, 72.6° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Quaternary Epoch:Pleistocene
10 m.y. bin:Cenozoic 6
Key time interval:Pleistocene
Age range of interval:2.58000 - 0.01170 m.y. ago
Stratigraphy
Formation:Solimões
Lithology and environment
Primary lithology: poorly lithified argillaceous siltstone
Includes fossils?Y
Lithology description: clayey silts with light concretions and with two patches of conglomerates
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Also known as:Locality 2
Database number:65139
Authorizer:M. Uhen, E. Vlachos Enterer:M. Uhen, E. Vlachos
Modifier:E. Vlachos Research group:vertebrate
Created:2006-09-19 06:59:27 Last modified:2021-02-17 12:11:49
Access level:the public Released:2006-09-19 06:59:27
Creative Commons license:CC BY
Reference information

Primary reference:
18743. G. G. Simpson and C. Paula Couto. 1981. Fossil mammals from the Cenozoic of Acre, Brazil III - Pleistocene Edentata Pilosa, Proboscida, Sirenia, Perissodactyla and Artiodactyla. Iheringia, Ser. Geol. Porto Alegre 6:11-73 [M. Uhen/M. Uhen]

Secondary references:

64028 F. d.e. L. de Broin, J. Bocquetin, and F. R. Negri. 1993. Gigantic turtles (Pleurodira, Podocnemididae) from the Late Miocene - Early Pliocene of South Western Amazon. Bulletin de Institute francaises de etudes andines 22(3):657-670 [E. Vlachos/E. Vlachos]
38345 D. P. Domning. 1982. Evolution of manatees: A speculative history. Journal of Paleontology 56(3):599-619 [M. Uhen/M. Uhen]
75568 M. B. S. Lacerda, P. S. R. Romano, K. L. N. Bandeira and L. D. Souze. 2021. Georeferencing fossiliferous localities from Solimões and Acre Basins (Brazil) -what we know so far about Solimões Formation and future perspectives. Anais da Academia Brasileira de Ciências [E. Vlachos/E. Vlachos/P. Mannion]