La Cueva (Miocene of Argentina)

Where: Santa Cruz, Argentina (50.3° S, 69.0° W: paleocoordinates 51.0° S, 63.3° W)

• coordinate stated in text

• local area-level geographic resolution

When: Santa Cruz Formation, Santacrucian (17.5 - 16.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Collected by C. Ameghino

Primary reference: S. F. Vizcaíno, R. F. Kay, and M. S. Bargo. 2012. Background for a paleoecological study of the Santa Cruz Formation (late Early Miocene) on the Atlantic Coast of Patagonia. In S. F. Vizcaí­no, R. F. Kay, M. S. Bargo (eds.), Early Miocene Paleobiology in Patagonia: High-Latitude Paleocommunities of the Santa Cruz Formation 1-22 [J. Zijlstra/J. Zijlstra/J. Zijlstra]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176565: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 17.02.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Aves
 Falconiformes - Falconidae
Badiostes patagonicus3 Ameghino 1894 raptor
BMNH-A 602, ulna, femur, tarsometatarsus
Reptilia
 Squamata -
Erichosaurus diminutus n. gen. n. sp.4 Ameghino 1899 squamates
MACN-A 2272
Erichosaurus debilis n. sp.4 Ameghino 1899 squamates
MACN-A 5807
Erichosaurus bombimaxila n. sp.4 Ameghino 1899 squamates
MACN-A 2283a-c
Mammalia
 Rodentia - Acaremyidae
Pseudoacaremys kramarzi n. gen. n. sp.2
Pseudoacaremys kramarzi n. gen. n. sp.2 Arnal and Vucetich 2015 caviomorph
MACN A 10095, skull
 Cingulata - Dasypodidae
Paraeutatus distans8 armadillo
MACN-A 7272–7274, skull, mandible, ostederms
Stenotatus patagonicus8 Ameghino 1887 armadillo
MACN-A 7800, osteoderms; MACN-A 8235, carapace and postcrania
 Cingulata - Peltephilidae
Peltephilus nanus8 Ameghino 1898 edentate
MACN-A 7958–7959, femur, osteoderms
 Xenarthra - Glyptodontidae
Propalaehoplophorinae indet.8 Ameghino 1891 glyptodon
MACN-A 7693, humerus
 Sparassodonta -
Cladosictis patagonica5, "Abderites altiramis n. sp." = Perathereutes pungens5, "Sipalocyon gracilis" = Sipalocyon gracilis5, "Sipalocyon altiramis n. sp." = Sipalocyon gracilis5, "Sipalocyon longus n. sp." = Sipalocyon gracilis5, "Sipalocyon mixtus n. sp." = Sipalocyon gracilis5
Cladosictis patagonica5 Ameghino 1887 metatherian
MACN 9359, dentary p1-2; MACN 9360, mandible m1-4; MACN 9361, maxilla M2-3; MACN 9387, dentary m3-4; MACN 9388, dentary m3
"Abderites altiramis n. sp." = Perathereutes pungens5 Ameghino 1891 metatherian
MACN-A 8250, dentary m3, holotype
"Sipalocyon gracilis" = Sipalocyon gracilis5 Ameghino 1887 metatherian
MACN 9357, C; MACN 9354, dentary p1, p3-m1; MACN 9353, dentary p3-m1; MACN 9358, distal humerus; MACN 9355, maxilla with molar; MACN 9356, maxilla with molar; MACN 5959, partial skull; MACN 5938–5949, upper and lower jaws and postcrania
"Sipalocyon altiramis n. sp." = Sipalocyon gracilis5 Ameghino 1887 metatherian
MACN 5964, dentary p1-m1, holotype
"Sipalocyon longus n. sp." = Sipalocyon gracilis5 Ameghino 1887 metatherian
MACN 5965, dentary p2-m3, holotype
"Sipalocyon mixtus n. sp." = Sipalocyon gracilis5 Ameghino 1887 metatherian
MACN 5963, dentary p2, m1, m3, holotype
 Sparassodonta - Borhyaenidae
Borhyaena tuberata7 Ameghino 1887 metatherian
MACN-A 6203–6365
 Microbiotheria - Microbiotheriidae
Microbiotherium tehuelchum6 Ameghino 1887 marsupial
MACN 10248, edentulous dentary; MACN 8478, dentary m2; MACN 8481, dentary p1-3, m2-4; MACN 8483, dentary p2-m4; MACN 8493, calcaneum
Microbiotherium patagonicum6 Ameghino 1887 marsupial
MACN 8471, right maxilla M1-4
 Paucituberculata - Palaeothentidae
Palaeothentes intermedius1 Ameghino 1887 marsupial
Palaeothentes minutus1 Ameghino 1887 marsupial
Palaeothentes lemoinei1 Ameghino 1887 marsupial
 Paucituberculata - Pichipilidae
Phonocdromus gracilis n. gen. n. sp.6
Phonocdromus gracilis n. gen. n. sp.6 Ameghino 1894 marsupial
MACN 8457, lectotype, dentary p3-m3; 8458, dentary m2-3; 8461, dentary p3-m4; 8462, dentary m2-4
 Paucituberculata - Abderitidae
Abderites meridionalis1 Ameghino 1887 marsupial
MACN-A 8248, dentary p3-m3
 Paucituberculata - Caenolestidae
Stilotherium dissimile n. gen. n. sp.6
Stilotherium dissimile n. gen. n. sp.6 Ameghino 1887 marsupial
MACN 8426, maxilla M2-3; 8427, rostrum with left C-P2 and right P1-2; 8428, dentary m3; 8429, dentary incisor, m2-4; 8431, M1; 8447, dentary m3; 8464, dentary with teeth, neotype; 8465, dentary p3-m4; 8466-8467 [or 8566-8567], left dentary with teeth