PBDB Collection

La Cancha (Paleogene of Argentina)

Also known as GBV-4, Gran Barranca Fauna de "La Cancha"

Where: Chubut, Argentina (45.7° S, 68.7° W: paleocoordinates 47.6° S, 59.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Tinguirirican mammal zone, Vera Member (Sarmiento Formation), Tinguirirican (36.0 - 29.0 Ma)

• "a flat exposure with a surface area roughly that of a "soccer pitch" near the top of the Vera Member at Profile K" of Gran Barranca.

•

•Tinguirirican SALMA, Early Oligocene (Woodburne et al. 2014).

• 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 176200: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 31.01.2016, edited by Grace Varnham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Mammalia
Theriamorpha -	Stegotheriini indet.² Stegotheriini indet.² Ameghino 1889 edentate
Cingulata - Peltephilidae	Peltephilidae indet.¹ Peltephilidae indet.¹ edentate
Cingulata - Chlamyphoridae	Stenotatus sp.¹ Stenotatus sp.¹ Ameghino 1891 edentate
Cingulata - Dasypodidae	Parutaetus chilensis², Barrancatatus rigidus², Barrancatatus maddeni n. sp.², "Meteutatus sp." = Meteutatus², "Sadypus sp." = Meteutatus¹, Sadypus aff. confluens², Sadypus minutus n. sp.², Machlydotherium sp.¹, Astegotheriini indet.¹ Parutaetus chilensis² Carlini et al. 2009 armadillo Barrancatatus rigidus² Ameghino 1902 armadillo Barrancatatus maddeni n. sp.² Carlini et al. 2010 armadillo osteroderms in MPEF PV "Meteutatus sp." = Meteutatus² Ameghino 1902 armadillo "Sadypus sp." = Meteutatus¹ Ameghino 1902 armadillo Sadypus aff. confluens² Ameghino 1902 armadillo Sadypus minutus n. sp.² Carlini et al. 2010 armadillo groups of osteoderms in MPEF PV Machlydotherium sp.¹ Ameghino 1902 armadillo Astegotheriini indet.¹ Ameghino 1906 armadillo
Cingulata - Glyptodontidae	Glyptatelinae indet.¹ Glyptatelinae indet.¹ Castellanos 1932 glyptodon
Notoungulata -	Eomorphippus sp.⁴, Eomorphippus obscurus⁴, "Eomorphippus pascuali" = Rosendo pascuali⁴ Eomorphippus sp.⁴ Ameghino 1901 notoungulate MPEF-PV 6217, isolated upper premolars and molars Eomorphippus obscurus⁴ Ameghino 1901 notoungulate MPEF-PV 6154, isolated upper and lower premolars and molars; MPEF-PV 6188, left lower m3; MPEF-PV 6197, isolated lower incisor; MPEF-PV 6791, isolated upper incisor; MPEF-PV 7945, left dentary fragment with p4-m3 "Eomorphippus pascuali" = Rosendo pascuali⁴ Simpson 1967 notoungulate MPEF-PV 6159, right upper M1-2 and left upper M3, MPEF-PV 6243, right m2
Notoungulata - Notohippidae	Puelia sp.⁴ Puelia sp.⁴ Roth 1902 notoungulate MPEF-PV 6170, right and left upper molars; MPEF-PV 5732, upper molar; MPEF-PV 6180, P4 and M1; MPEF-PV 6200, right lower p3; MPEF-PV 6206, left upper M1
Notoungulata - Interatheriidae	Santiagorothia chiliensis⁵, Eopachyrucos pliciformis⁵, Proargyrohyrax sp.⁵ Santiagorothia chiliensis⁵ Hitz et al. 2000 notoungulate Eopachyrucos pliciformis⁵ Simpson 1967 notoungulate Proargyrohyrax sp.⁵ Hitz et al. 2000 notoungulate
Notoungulata - Archaeohyracidae	Protarchaeohyrax gracilis⁵, Archaeotypotherium propheticus⁵ Protarchaeohyrax gracilis⁵ Roth 1904 notoungulate Archaeotypotherium propheticus⁵ Ameghino 1897 notoungulate
Notoungulata - Notopithecidae	Guilielmoscottia sp.⁵ Guilielmoscottia sp.⁵ Ameghino 1901 notoungulate
Polydolopimorphia - Glasbiidae	Periakros ambiguus n. gen. n. sp.³ Periakros ambiguus n. gen. n. sp.³ Goin et al. 2010 metatherian MPEF-PV 4498 (Mx, holotype). Tentatively referred: 4496 fragment Mx, 4495 fragment maxillary with two Mx, 4493 fragment Mx
Polydolopimorphia - Polydolopidae	Kramadolops fissuratus n. sp.³ Kramadolops fissuratus n. sp.³ Goin et al. 2010 metatherian MPEF-PV 4342 (M1, holotype), isolated teeth
Polydolopimorphia - Rosendolopidae	Rosendolopidae indet.³, Hondonadia cf. fierroensis³, Hondonadia sp.³, Hondonadia praecipitia n. sp.³, Hondonadia pumila n. sp.³, Rosendolops sp.³, Rosendolops ebaios n. sp.³ Rosendolopidae indet.³ Goin et al. 2010 metatherian MPEF-PV 4477 Mx, 4476 Mx, 4446 Mx Hondonadia cf. fierroensis³ metatherian MPEF-PV 4412 mx, 4388 mx, 4439 Mx Hondonadia sp.³ Goin and Candela 1998 metatherian MPEF-PV 4416 mx, 4142 mx, 4424 Mx fragment, 4446 Mx, 4485 Mx Hondonadia praecipitia n. sp.³ Goin et al. 2010 metatherian MPEF-PV 4144 (maxilla M1-4, holotype), 4383 maxilla M2-3, 4384 maxilla M1-2, 4435 M1, 4442 M1, 4386 M1, 4151 M1, 4429 M2, 4438 M2, 4441 M2, 4437 M2, 4434 M3, 4436 M3, 4132 dentary with p2-3 roots and m1, 4233 m1, 4423 m2, 4418 m2, 4229 fragment m2, 4417 m2, 4385 m2, 4250 m2, 4420 m3, 4419 fragment mx. Referred: 4440 fragment Mx, 4427 fragment Mx, 4428 fragment Mx, 4430 fragment Mx, 4432 fragment Mx, 4228 fragment Mx, 4431 fragment Mx, 4433 fragment Mx, 4415 mx, 4422 mx, 4414 mx, 4425 mx, 4426 mx, 4413 mx, 4421 mx Hondonadia pumila n. sp.³ Goin et al. 2010 metatherian MPEF-PV 4239 (maxilla M2-3, holotype); isolated molars and dentaries Rosendolops sp.³ Goin and Candela 1996 metatherian MPEF-PV 4487 Mx, 4497 Mx Rosendolops ebaios n. sp.³ Goin et al. 2010 metatherian MPEF-PV 4449 (M?3, holotype), 4477 M?1, 4446 M?2, 4476 M?2. Tentatively referred: 3917 mx
Polydolopimorphia -	Praedens aberrans n. gen. n. sp.³ Praedens aberrans n. gen. n. sp.³ Goin et al. 2010 metatherian MPEV-PV 4243 (Mx, holotype), 7 referred isolated teeth, 3 tentatively referred isolated teeth
Polydolopimorphia - Argyrolagidae	Klohnia major n. sp.³, Klohnia cf. major³ Klohnia major n. sp.³ Goin et al. 2010 metatherian MPEF-PV 4279 (dentary m1-3), isolated teeth and dentary and maxilla fragments Klohnia cf. major³ Goin et al. 2010 metatherian MPEF-PV, isolated teeth and dentary and maxilla fragments
Paucituberculata - Caenolestidae	Pilchenia antiqua n. sp.³ Pilchenia antiqua n. sp.³ Goin et al. 2010 marsupial MPEF-PV 4490 (maxillary P3-M2, holotype), 4486 (maxillary M2-3), 4482 (fragment M1), 4483 (fragment M1), 4484 (M2), 4148 (fragment M2), 4479 (M3), 4481 (M3), 4480 (M3), 4478 (M3), 4474 (M4), 4129 (dentary p3, partial m1), 4126 (p3), 4489 (m1), 4235 (m2), 4470 (m2), 4488 (partial m2), 4469 (m3), 4465 (m3), 4468 (m3), 4467 (m3), 4471 (m3), 4466 (m3), 4464 (fragment m3), 4462 (m4), 4463 (m4)
Paucituberculata - Pichipilidae	? Pichipilidae indet.³ ? Pichipilidae indet.³ Marshall 1980 marsupial MPEF-PV 4410 (right mx), 4402 (left mx), 4494 (right dentary fragment with m3–4)
Theriamorpha - Peradectidae	Canchadelphys cristata n. gen. n. sp.³ Canchadelphys cristata n. gen. n. sp.³ Goin et al. 2010 marsupial MPEF-PV 4460 (left M?2, holotype), 4461 (right M?3), 4242 (right M?1)
Microbiotheria - Microbiotheriidae	Microbiotherium sp.³, Clenia brevis n. sp.³, Eomicrobiotherium matutinum n. sp.³ Microbiotherium sp.³ Ameghino 1887 marsupial MPEF-PV 4365 mx, 4348 mx, 4366 dentary p3-m1, 4371 Mx, 4362 M1, 4367 Mx, 4359 M?3, 4135 M?3 Clenia brevis n. sp.³ Goin et al. 2010 marsupial MPEV-PV 4368 (m1, holotype), 4353 m1, 4364 m1, 4349 m1, 4361 m1, 4358 m2, 4354 m2, 4363 m2, 4355 m3, 4360 m3, (unnumbered) maxilla M2-3, 4146 maxilla M2-3, 4238 M1, 4372 M2. Tentatively referred: 4346 mx, 4356 mx Eomicrobiotherium matutinum n. sp.³ Goin et al. 2010 marsupial MPEF-PV 4369 (m1, holotype), 4370 (m2), 4352 (m2), 4350 (m2 trigonid), 4373 (m3), 4232 (M1), 4374 (M2)
Theriamorpha - Sternbergiidae	Sternbergiidae indet.³ Sternbergiidae indet.³ Szalay 1994 marsupial MPEF-PV 4459 (left M4), 4457 (right mx)
Sparassodonta - Hathliacynidae	"Hathliacynidae indet." = Hathlyacininae³, "? Hathliacynidae indet." = Hathlyacininae³ "Hathliacynidae indet." = Hathlyacininae³ Ameghino 1894 metatherian MPEF-PV 4345 (right M?1) "? Hathliacynidae indet." = Hathlyacininae³ Ameghino 1894 metatherian MPEF-PV 4344 (right ?lower premolar)

¹Carlini et al. 2005; ²Carlini et al. 2010; ³Goin et al. 2010; ⁴López et al. 2010; ⁵Reguero and Prevosti 2010