PBDB Collection

Portezuelo Sumich Sur, Pinturas Fm., Lago Buenos Aires, Santa Cruz (Miocene of Argentina)

Where: Santa Cruz, Argentina (47.0° S, 70.6° W: paleocoordinates 47.7° S, 64.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Pinturan zone, Pinturas Formation, Burdigalian (20.4 - 16.0 Ma)

• Pertains to "Middle Sequence" = "Pinturan" of Kramarz & Bellosi 2005

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the MACN

Primary reference: T. M. Bown and C. N. Larriestra. 1990. Sedimentary paleoenvironments of fossil platyrrhine localities, Miocene Pinturas Formation, Santa Cruz Province, Argentina. Journal of Human Evolution 19(1-2):87-119 [D. Croft/D. Croft]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 59320: authorized by Darin Croft, entered by Darin Croft on 26.03.2006, edited by Juan Carrillo, Jelle Zijlstra and Grace Varnham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Mammalia
- Mylodontidae	Nematherium sp.² Nematherium sp.² Ameghino 1887 edentate MPM-PV 17423, MPM-PV 17424, and MPM-PV 17425
Primates -	Carlocebus carmenensis⁴ Carlocebus carmenensis⁴ Fleagle 1990 monkey 6 specimens; MPM PV 21646
Primates - Pitheciidae	"Pitheciinae indet." = Pitheciidae¹¹ "Pitheciinae indet." = Pitheciidae¹¹ Mivart 1865 monkey MPM-PV 17400, incisor
Primates - Homunculidae	cf. Soriacebus sp.¹¹, Soriacebus adrianae n. sp.⁴ cf. Soriacebus sp.¹¹ Fleagle et al. 1987 monkey MPM-PV 17397, right lower canine Soriacebus adrianae n. sp.⁴ Fleagle 1990 monkey 6 specimens. Also ref. 58232: MPM-PV 17401, p2; MPM-PV 17399, P2. 58232: Also ref 71056: MPM-CV1605 and 606
Rodentia - Echimyidae	Prostichomys bowni⁷ Prostichomys bowni⁷ Kramarz 2001 spiny rat 30+ specimens
Rodentia - Acaremyidae	Galileomys eurygnathus n. sp.⁷ Galileomys eurygnathus n. sp.⁷ Kramarz 2004 caviomorph 3 specimens
Rodentia - Dinomyidae	Scleromys quadrangulatus⁹ Scleromys quadrangulatus⁹ Kramarz 2006 caviomorph 1 specimen
Rodentia - Neoepiblemidae	Perimys intermedius⁶ Perimys intermedius⁶ Kramarz 2002 caviomorph 16 specimens
Rodentia -	Luantus propheticus⁸, Steiromys duplicatus⁷ Luantus propheticus⁸ Ameghino 1899 caviomorph 11 specimens Steiromys duplicatus⁷ Ameghino 1887 caviomorph 2 specimens
Rodentia - Erethizontidae	Branisamyopsis praesigmoides n. sp.⁷ Branisamyopsis praesigmoides n. sp.⁷ Kramarz 2004 porcupine 2 specimens
Rodentia -	Eosteiromys annectens⁷ Eosteiromys annectens⁷ Ameghino 1901 caviomorph 1 specimen
Panameriungulata - Proterotheriidae	Tetramerorhinus fleaglei¹⁰, Tetramerorhinus prosistens¹⁰ Tetramerorhinus fleaglei¹⁰ Kramarz and Bond 2005 placental 5 specimens Tetramerorhinus prosistens¹⁰ Ameghino 1899 placental 5 specimens
Paucituberculata - Palaeothentidae	Acdestis oweni¹, Palaeothentes minutus¹, Propalaeothentes lepidus¹ Acdestis oweni¹ Ameghino 1887 marsupial MACN SC numbers 874, 896, 972, 988, 989B, 990, 991, 1008, 1011, 1018, 1021, 1026, 1027, 1042, 1195, 1197, 1386, 1486, 3269, 3273 Palaeothentes minutus¹ Ameghino 1887 marsupial MACN SC numbers 819, 904, 1028-1032, 1036A, 1036B, 1037, 1041, 1043, 1044, 1095, 3268, 3274, 3275 Propalaeothentes lepidus¹ Bown and Fleagle 1993 marsupial SC-989
Microbiotheria - Microbiotheriidae	Microbiotheriidae indet.³, "Microbiotherium divisum" = Oligobiotherium divisum³, Pachybiotherium illuminatum n. sp.⁵, Microbiotherium tehuelchum³, Microbiotherium cf. gallegosense³ Microbiotheriidae indet.³ Ameghino 1887 marsupial MACN Pv SC3648C, ?M2 "Microbiotherium divisum" = Oligobiotherium divisum³ Ameghino 1902 marsupial MACN Pv SC277, dentary m2-4; SC3619B, dentary m3; SC3627, dentary m3-4; SC3638, dentary m4; SC3641, dentary m3, partial m4; SC3648, M2 Pachybiotherium illuminatum n. sp.⁵ Goin et al. 2010 marsupial MPM-PV 1805, dentary m3-4, holotype; MPM-PV 1806, M3 Microbiotherium tehuelchum³ Ameghino 1887 marsupial MACN Pv SC3622, right dentary with m2-3 Microbiotherium cf. gallegosense³ Sinclair 1906 marsupial MACN Pv SC3644, dentary m1; SC3645, m1

¹Bown and Fleagle 1993; ²Brandoni et al. 2019; ³Chornogubsky and Kramarz 2012; ⁴Fleagle 1990; ⁵Goin et al. 2010; ⁶Kramarz 2002; ⁷Kramarz 2004; ⁸Kramarz 2006; ⁹Kramarz 2006; ¹⁰Kramarz and Bond 2005; ¹¹Novo and Fleagle 2015