PBDB Collection

Curitiba (Eocene of Brazil)

Also known as Guabirotuba Fauna; Geosite of the Curitiba Sedimentary Basin 1; GCSB 1

Where: Paraná, Brazil (25.5° S, 49.3° W: paleocoordinates 27.2° S, 40.5° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Barrancan mammal zone, Guabirotuba Formation, Bartonian (41.3 - 38.0 Ma)

• Late middle Eocene (Barrancan SALMA). Barrancan (41.7-39Ma) doesn't exist in PBDB yet but coincides with the Bartonian (41.2-37.8Ma).

• group of beds-level stratigraphic resolution

Environment/lithology: "floodplain"; massive, gray, green mudstone and gray, yellow sandstone

• massive greenish gray mud; immature yellowish gray sand with poorly defined cross-bedding stratification

Size class: macrofossils

Primary reference: F. A. Sedor, E. V. Oliveira, D. D. Silva, L. A. Fernandes, R. F. Cunha, A. M. Ribeiro, and E. V. Dias. 2017. A New South American Paleogene Land Mammal Fauna, Guabirotuba Formation (Southern Brazil). Journal of Mammalian Evolution 24:39-55 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186567: authorized by Philip Mannion, entered by Philip Mannion on 26.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Reptilia
Loricata - Sebecidae	Sebecidae indet.¹ Sebecidae indet.¹ Savage 1951 crocodilian teeth
Mammalia
Paucituberculata -	Palaeothentoidea indet. Palaeothentoidea indet. Goin et al. 2009 marsupial MCN.P.1260
Sparassodonta - Borhyaenidae	Nemolestes sp. Nemolestes sp. Ameghino 1902 metatherian MCN.P.1259
Polydolopimorphia -	Argyrolagoidea indet. Argyrolagoidea indet. Ameghino 1904 metatherian MCN.P.1261
Notoungulata - Oldfieldthomasiidae	Oldfieldthomasiidae indet. Oldfieldthomasiidae indet. Simpson 1945 notoungulate MCN.P.1257
Notoungulata - Notopithecidae	"Notopithecinae indet." = Notopithecidae "Notopithecinae indet." = Notopithecidae Ameghino 1897 notoungulate MCN.P.1253-1256
Placentalia -	Astrapotheria indet. Astrapotheria indet. Lydekker 1894 placental MCN.P.1258
Cingulata - Dasypodidae	Astegotheriini indet., Utaetus buccatus², Machlydotherium sp., Euphractinae indet., Parutaetus sp., Meteutatus sp. Astegotheriini indet. Ameghino 1906 armadillo MCN.P.1225-1230 Utaetus buccatus² Ameghino 1902 armadillo MCN.P.1231 Machlydotherium sp. Ameghino 1902 armadillo MCN.P.1232-1239 Euphractinae indet. Winge 1923 armadillo MCN.P.1247 and 1248 Parutaetus sp. Ameghino 1902 armadillo MCN.P.1240-1245, 1249-1253 Meteutatus sp. Ameghino 1902 armadillo MCN.P.1246
Cingulata -	Proeocoleophorus carlinii n. gen. n. sp. Proeocoleophorus carlinii n. gen. n. sp. Sedor et al. 2017 edentate MCN.P.1200 - holotype; hypodigm: MCN.P.1201-1224

¹Liccardo and Weinschütz 2010; ²Sedor et al. 2022