Cañadón Vaca faunule 1 (Eocene of Argentina)

Where: Chubut, Argentina (45.3° S, 68.0° W: paleocoordinates 47.8° S, 58.1° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Vacan zone, Sarmiento Formation, Lutetian (47.8 - 41.3 Ma)

• Sarmiento Formation, Vacan SALMA (a subdivision of the Casamayoran SALMA), middle Eocene (Woodburne et al. 2014).

•Located near bottom of Cañadón Vaca section I in a layer of "massive wht. to buff tuff" (Cifelli 1985).

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: permineralized

Reposited in the MACN

Primary reference: R. Cifelli. 1985. Biostratigraphy of the Casamayoran, Early Eocene of Patagonia. American Museum Novitates 2820:1-26 [J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 176170: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 30.01.2016, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Polydolopimorphia - Polydolopidae
Polydolops thomasi Ameghino 1897 metatherian
 Panameriungulata - Proterotheriidae
Anisolambda amel Simpson 1948 placental
Anisolambda fissidens Ameghino 1901 placental
 Panameriungulata - Protolipternidae
Asmithwoodwardia subtrigona Ameghino 1901 placental
 Panameriungulata - Macraucheniidae
Victorlemoineia indet. Ameghino 1901 placental
 Panameriungulata - Didolodontidae
Didolodus minor Simpson 1948 placental
 Astrapotheria - Astrapotheriidae
Astrapotheriidae "genus and species A" Ameghino 1887 placental
MPEF PV 5477
cf. Scaglia kraglievichorum Simpson 1957 placental
MPEF PV 5478
 Astrapotheria - Trigonostylopidae
Trigonostylops wortmani Ameghino 1897 placental
Tetragonostylops aff. apthomasi Price and Paula Couto 1950 placental
MPEF PV 5479-5481, CH1248
 Notoungulata - Archaeopithecidae
"Acropithecus rigidus" = Archaeopithecus rogeri
"Acropithecus rigidus" = Archaeopithecus rogeri Ameghino 1897 notoungulate
 Notoungulata - Notostylopidae
Notostylops pendens Ameghino 1901 notoungulate
Homalostylops sp. Ameghino 1901 notoungulate
 Notoungulata - Henricosborniidae
Peripantostylops minutus Ameghino 1901 notoungulate
Henricosbornia lophodonta Ameghino 1901 notoungulate
Othnielmarshia lacunifera Ameghino 1901 notoungulate
 Notoungulata - Oldfieldthomasiidae
"Maxschlosseria consumata" = Maxschlosseria praeterita
"Maxschlosseria consumata" = Maxschlosseria praeterita Ameghino 1901 notoungulate
 Notoungulata - Isotemnidae
Thomashuxleya externa Ameghino 1901 notoungulate
? Pleurostylodon similis Ameghino 1901 notoungulate
Isotemnus ? primitivus Ameghino 1897 notoungulate
 Cingulata - Dasypodidae
Prostegotherium indet. Ameghino 1902 armadillo