Las Cascadas, Deseado ( of Argentina)

Also known as NW side of Meseta del Canquel, near Scarritt Pocket

Where: Chubut, Argentina (44.0° S, 68.0° W: paleocoordinates 45.2° S, 60.7° W)

• coordinate stated in text

• local area-level geographic resolution

When: Deseadan mammal zone, Sarmiento Formation, Deseadan (29.0 - 21.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Justino Hernandez and Simpson in 1933-1934; reposited in the AMNH

• Second Scarrit Patagonian Expedition

Primary reference: G. G. Simpson. 1945. A Deseado Hegetothere from Patagonia. American Journal of Science 243(10):550-564 [C. Jaramillo/J. Carrillo]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 146358: authorized by Carlos Jaramillo, entered by Juan Carrillo on 22.06.2013, edited by Jelle Zijlstra and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Notoungulata - Archaeohyracidae
Archaeohyrax patagonicus3 Ameghino 1897 notoungulate
AMNH 116440 (ref. 13081); from ref. 46251: MLP 93-XI-21-39, right and left maxillary fragments with dP4-M1
 Notoungulata - Mesotheriidae
Trachytherus sp.3 Ameghino 1889 notoungulate
AMNH 116420, 116423, 116442
Trachytherus spegazzinianus3 Ameghino 1889 notoungulate
AMNH 116424
 Notoungulata - Interatheriidae
Argyrohyrax proavus5 Ameghino 1897 notoungulate
MLP 93-XI-21-20 and 21
Progaleopithecus sp.5 Ameghino 1904 notoungulate
MLP 93-XI-21-51
Progaleopithecus tournoueri5 Ameghino 1904 notoungulate
MLP 93-XI-21-18
 Notoungulata - Hegetotheriidae
"Propachyrucos ameghinorum n. sp." = Prosotherium garzoni, Medistylus dorsatus4, Prohegetotherium sculptum3
"Propachyrucos ameghinorum n. sp." = Prosotherium garzoni Ameghino 1897 notoungulate
Medistylus dorsatus4 Ameghino 1904 notoungulate
MLP 93-IX-21-19
Prohegetotherium sculptum3 Ameghino 1897 notoungulate
AMNH 29570, 116421, 29579
 Notoungulata - Leontiniidae
Ancylocoelus frequens3 Ameghino 1894 notoungulate
AMNH 29632, 116425, 116427-116430, 116435
? Leontinia sp.3 Ameghino 1895 notoungulate
AMNH 116426
Leontinia cf. gaudryi3 Ameghino 1894 notoungulate
AMNH 29631, 116431, 116434, 116438
 Notoungulata - Toxodontidae
Nesodontinae indet.3 Murray 1866 notoungulate
AMNH 116433, 116436, 116439
 Notoungulata - Notohippidae
Rhynchippus equinus3 Ameghino 1897 notoungulate
AMNH 116419
 Astrapotheria - Astrapotheriidae
Parastrapotherium sp.3 Ameghino 1895 placental
AMNH 29565, 29573, 29575, 29590, 29596, 29680, 116441, 116443-116449
 Panameriungulata - Proterotheriidae
Deuterotherium distichum3 Ameghino 1894 placental
AMNH 116432
 Panameriungulata - Macraucheniidae
Cramaucheniinae indet.3 Ameghino 1902 placental
AMNH 109620
 Rodentia - Cephalomyidae
Cephalomys arcidens1 Ameghino 1897 caviomorph
 Cingulata - Chlamyphoridae
 Cingulata - Dasypodidae
"Sadypus sp." = Meteutatus2 Ameghino 1902 armadillo
Meteutatus aff. lagenaformis2 Ameghino 1897 armadillo