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 - Pichipilidae
Pichipilidae indet.4 Marshall 1980 marsupial
MPEF-PV 3828 dentary m2, 3910 m?3, 3848 M2 or M3, 3890 M2 or M3
 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 - 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
 Sparassodonta - Borhyaenidae
Pharsophorus cf. lacerans4 Ameghino 1897 metatherian
MPEF-PV 4190, dentary with c-m4
 Polydolopimorphia - Polydolopidae
Kramadolops maximus n. sp.4 Goin et al. 2010 metatherian
MPEF-PV 4500 dentary p3-m2, 4501 M1
 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 - Rosendolopidae
Hondonadia cf. pumila4 Goin et al. 2010 metatherian
MPEF-PV 3861 M1, 3915 M2 fragment, 3809 m2, 3826 mx
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
Rosendolops cf. ebaios4 Goin et al. 2010 metatherian
Tentatively referred: MPEF-PV 3917, left mx
 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 - Interatheriidae
Santiagorothia chiliensis7 Hitz et al. 2000 notoungulate
Eopachyrucos pliciformis7 Simpson 1967 notoungulate
 Notoungulata - Hegetotheriidae
Prohegetotherium sp.7 Ameghino 1897 notoungulate
 Notoungulata - Archaeohyracidae
Archaeotypotherium propheticus7 Ameghino 1897 notoungulate
Archaeohyrax patagonicus7 Ameghino 1897 notoungulate
Protarchaeohyrax gracilis7 Roth 1904 notoungulate
Protarchaeohyrax minor7 Reguero et al. 2003 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.
 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
? Chinchilloidea indet.9 Bennett 1833 caviomorph
MPEF-PV 7951, fragment of upper molar
? 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
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
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
 Theriamorpha -
Stegotheriini indet.3 Ameghino 1889 edentate
 Cingulata - Glyptodontidae
Glyptatelinae indet.2 Castellanos 1932 glyptodon
 Cingulata - Dasypodidae
Parutaetus ? chilensis3 Carlini et al. 2009 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
Barrancatatus sp.3 Carlini et al. 2010 armadillo
Archaeutatus aff. malaspinensis3 Ameghino 1902 armadillo
"? Pachyzaedyus sp." = Pseudeutatus3 Ameghino 1902 armadillo