Pedra Preta (Neogene of Brazil)

Also known as Locality 2

Where: Acre, Brazil (8.8° S, 72.8° W: paleocoordinates 9.1° S, 71.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Solimões Formation, Huayquerian (8.0 - 5.0 Ma)

Environment/lithology: terrestrial; poorly lithified, argillaceous siltstone

• clayey silts with light concretions and with two patches of conglomerates

Size class: macrofossils

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 65139: authorized by Mark Uhen, entered by Mark Uhen on 19.09.2006, edited by Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Glypdontidae indet.3
Glypdontidae indet.3
AMNH 55.739 to 55.747
Mammalia
  -
Mammalia indet.3
Mammalia indet.3 Linnaeus 1758 mammal
 Placentalia -
Xenarthra indet.3
Xenarthra indet.3 edentate
DGM 475-M
 Cingulata -
Cingulata indet.3
Cingulata indet.3 Illiger 1811 edentate
DGM 476-M
 Megatherioidea - Megatheriidae
Megatheriidae indet.3, Megatheriinae indet., Eremotherium sp.
Megatheriidae indet.3 Gray 1821 edentate
AMNH 55.727; 55.724
Megatheriinae indet. Gill 1872 edentate
Eremotherium sp. Spillmann 1948 edentate
 Astrapotheria - Astrapotheriidae
Astrapotheriidae indet.3
Astrapotheriidae indet.3 Ameghino 1887 placental
AMNH 55.736
 Notoungulata - Toxodontidae
Toxodontidae indet.3
Toxodontidae indet.3 Scott 1873 notoungulate
AMNH 55.777 to 55.786; DGM 467-M; 471-M; 474-M
 Sirenia - Trichechidae
cf. Trichechus sp.2
cf. Trichechus sp.2 Linnaeus 1758 manatee
 Proboscidea - Gomphotheriidae
Notiomastodon platensis3
Notiomastodon platensis3 Ameghino 1888 gomphothere
AMNH 55.716; 55.715; DGM 466-M; 473-M; DGM 472-M
 Placentalia -
Rodentia indet.3
Rodentia indet.3 Bowdich 1821 rodent
AMNH 55.812 to 55.816; DGM 477-M
Reptilia
 Testudinata -
Testudinata indet.3
Testudinata indet.3 Oppel 1811 turtle
 Testudines -
Pleurodira indet.3
Pleurodira indet.3 Cope 1865 sideneck turtle
 Testudines - Podocnemididae
Podocnemis sp.3
Podocnemis sp.3 Wagler 1830 river turtle
 Testudines - Chelidae
Chelus sp.3
Chelus sp.3 Duméril 1806 sideneck turtle
 Testudines - Testudinidae
Chelonoidis sp.1
Chelonoidis sp.1 Fitzinger 1835 turtle
giant size
 Loricata -
Crocodyliformes indet.3
1de Broin et al. 1993; 2Domning 1982; 3Lacerda et al. 2021