La Cantera (Oligocene of Argentina)

Also known as GBV-19, Gran Barranca Fauna de "La Cantera"

Where: Chubut, Argentina (45.7° S, 68.7° W: paleocoordinates 47.5° S, 60.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Canteran mammal zone, Upper Puesto Almendra Member (Sarmiento Formation), Rupelian (33.9 - 28.1 Ma)

• Unit 3 of the Upper Puesto Almendra Member at Gran Barranca, Chubut.

•Represents an interval between the Tinguirirican and Deseadan SALMAs - Rupelian, medial Oligocene (Woodburne et al. 2014).

•Bown and Fleagle, 1993: La Cantera in the upper part of the Colhuehuapian (latest Oligocene or earliest Miocene)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: R. H. Madden, R. F. Kay, M. G. Vucetich and A. A. Carlini. 2010. Gran Barranca: a twenty-three million year record of Middle-Cenozoic faunal evolution in Patagonia. In R. H. Madden, A. A. Carlini, M. G. Vucetich, R. F. Kay (eds.), The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia 423-439 [J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 176201: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 31.01.2016, edited by Grace Varnham

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Paucituberculata - Palaeothentidae
Palaeothentidae indet.4 Sinclair 1906 marsupial
MPEF-PV 3838 m1 trigonid, 3843 m2
Trelewthentes rothi n. gen. n. sp.1 Bown and Fleagle 1993 marsupial
Holotype: MACN CH- 1369, p3-m1
Palaeothentes migueli n. gen. n. sp.1 Bown and Fleagle 1993 marsupial
Holotype, MACN CH-1338 mandibular fragment
Palaeothentes marshalli n. gen. n. sp.1 Bown and Fleagle 1993 marsupial
Holotype: MACN CH- 1325 mandibular fragment
 Paucituberculata - Pichipilidae
Pichipilidae indet.4 Marshall 1980 marsupial
MPEF-PV 3828 dentary m2, 3910 m?3, 3848 M2 or M3, 3890 M2 or M3
 Paucituberculata - Caenolestidae
Pilchenia intermedia n. sp.4 Goin et al. 2010 marsupial
MPEF-PV 3836 (M2, holotype), isolated teeth and dentary fragments
 Paucituberculata -
Evolestes sp.4 Goin et al. 2007 marsupial
MPEF-PV, isolated teeth and dentary fragments
 Microbiotheria - Microbiotheriidae
Eomicrobiotherium matutinum4 Goin et al. 2010 marsupial
MPEF-PV 3872 M3
 Polydolopimorphia - Rosendolopidae
Hondonadia parca n. sp.4 Goin et al. 2010 metatherian
MPEF-PV 3823 (M2, holotype), isolated teeth and one dentary fragment, 4 tentatively referred teeth
Hondonadia cf. pumila4 Goin et al. 2010 metatherian
MPEF-PV 3861 M1, 3915 M2 fragment, 3809 m2, 3826 mx
Rosendolops cf. ebaios4 Goin et al. 2010 metatherian
Tentatively referred: MPEF-PV 3917, left mx
 Polydolopimorphia -
Epiklohnia verticalis n. gen. n. sp.4
Epiklohnia verticalis n. gen. n. sp.4 Goin et al. 2010 metatherian
MPEF-PV 3837 (m1, hootype), isolated teeth
 Polydolopimorphia - Polydolopidae
Kramadolops maximus n. sp.4 Goin et al. 2010 metatherian
MPEF-PV 4500 dentary p3-m2, 4501 M1
 Sparassodonta - Borhyaenidae
Pharsophorus cf. lacerans4 Ameghino 1897 metatherian
MPEF-PV 4190, dentary with c-m4
 Rodentia -
Caviomorpha "gen. et sp. indet. 3"9 Wood and Patterson 1955 caviomorph
MPEF-PV 7952 and 7953, DP4?
Caviomorpha "gen. et sp. indet. 4"9 Wood and Patterson 1955 caviomorph
MPEF-PV 7956 and 7957, P4
cf. Eobranisamys indet.9 Frailey and Campbell 2004 caviomorph
MPEF-PV 7800, m3; MPEF-PV 7949, m3
 Rodentia - Dasyproctidae
? Dasyproctidae indet.9 Gray 1825 caviomorph
MPEF-PV 7950, left M3
 Rodentia -
? Chinchilloidea indet.9 Bennett 1833 caviomorph
MPEF-PV 7951, fragment of upper molar
Draconomys verai n. gen. n. sp.9 Vucetich et al. 2010 caviomorph
MPEF-PV 7506 (holotype, mandible i, p4-m3); 7756 mandible m1-2; 7756a m2; 7756 nine isolated and fragmentary lower cheek teeth; 7947 m1 or m2; 7948 m1 or m2; 7799 p4; 7960 m1 or m2; 7961 m1 or m2; 7792 palate M2-3; 7946 M1 or M2; more fragmentary tooth remains
? Vallehermosomys merlinae n. sp.9 Vucetich et al. 2010 caviomorph
MPEF-PV 7954, holotype, right M3
Vallehermosomys mazzonii n. gen. n. sp.9 Vucetich et al. 2010 caviomorph
MPEF-PV 7955, holotype, left M3
 Xenarthra -
Stegotheriini indet.3 Ameghino 1889 edentate
 Cingulata - Dasypodidae
Barrancatatus sp.3 Carlini et al. 2010 armadillo
"Meteutatus sp." = Meteutatus2 Ameghino 1902 armadillo
"Sadypus sp." = Meteutatus2 Ameghino 1902 armadillo
Sadypus tortuosus3 Ameghino 1902 armadillo
groups of osteoderms in MPEF PV
Meteutatus aff. lagenaformis3 Ameghino 1897 armadillo
Parutaetus ? chilensis3 Carlini et al. 2009 armadillo
"? Pachyzaedyus sp." = Pseudeutatus3 Ameghino 1902 armadillo
Archaeutatus aff. malaspinensis3 Ameghino 1902 armadillo
 Cingulata - Glyptodontidae
Glyptatelinae indet.2 Castellanos 1932 glyptodon
 Notoungulata -
Patagonhippus canterensis n. gen. n. sp.6 López et al. 2010 notoungulate
maxillaries, dentaries, and isolated teeth in MPEF-PV
Patagonhippus dukei n. sp.6 López et al. 2010 notoungulate
MPEF 6127, dentary, holotype
 Notoungulata - Leontiniidae
Scarrittia barranquensis n. sp.8 Ribeiro et al. 2010 notoungulate
Henricofilholia vucetichia n. sp.8 Ribeiro et al. 2010 notoungulate
MPEF-PV 6129 (holotype, M1); MPEF-PV 7717 (paratype, dentary p3-m3); MPEF-PV 6135 (m2-3); MPEF-PV 6248 (m2); MPEF-PV 6269 (dentary m2-3); MPEF-PV 7700 (p2-m1)
 Notoungulata - Hegetotheriidae
Prohegetotherium sp.7 Ameghino 1897 notoungulate
 Notoungulata - Archaeohyracidae
Protarchaeohyrax gracilis7 Roth 1904 notoungulate
Protarchaeohyrax minor7 Reguero et al. 2003 notoungulate
Archaeohyrax patagonicus7 Ameghino 1897 notoungulate
Archaeotypotherium propheticus7 Ameghino 1897 notoungulate
 Notoungulata - Interatheriidae
Santiagorothia chiliensis7 Hitz et al. 2000 notoungulate
Eopachyrucos pliciformis7 Simpson 1967 notoungulate
 Notoungulata - Mesotheriidae
Trachytherus sp.7 Ameghino 1889 notoungulate
 Astrapotheria - Astrapotheriidae
Maddenia lapidaria n. gen. n. sp.5
Maddenia lapidaria n. gen. n. sp.5 Kramarz and Bond 2009 placental
Holotype: MPEF PV 7735, a maxillary fragment with right P3-M3 and left M3, associated right P2 and left P3, and a probably associated partial upper canine. Para- types: MPEF PV 6113, incomplete right m1 or m2; MPEF PV 6145, isolated right M3; MPEF PV 6238a, isolated left M3; MPEF PV 6238b, right m1 or m2; MPEF PV 6254, left lower canine; MPEF PV 7013, left M2; MPEF PV 7082, right p3; MPEF PV 7508, right m2?; MPEF PV 7696a, left mandibular fragment with m1-m2, partial m3 and probably associated p4; MPEF PV 7696b, left m1; MPEF PV 7701, left mandibular fragment with p4-m3; MPEF PV 7707, three isolated upper canines; MPEF PV 7709, left mandibular frag- ment with m2-m3 and preserved condyle, angular, and coro- noid regions; MPEF PV 7724, two asociated upper canines (crushed); MPEF PV 7725a, left p4; MPEF PV7727, partial symphysis with left p3; MPEF PV 7732, right mandibular fragment with m1-m3 and the roots for p3 and p4; MPEF PV 7738, left mandibular fragment with p3-m3; MPEF PV 7774, small portion of symphysis with left canine; MPEF PV 7848, right mandibular fragment with m2-m3.