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, edited by Miranta Kouvari and Grace Varnham
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Cladosictis patagonica9, "Sipalocyon gracilis" = Sipalocyon gracilis9, "Sipalocyon longus n. sp." = Sipalocyon gracilis9, "Sipalocyon mixtus n. sp." = Sipalocyon gracilis9, "Sipalocyon altiramis n. sp." = Sipalocyon gracilis9, "Abderites altiramis n. sp." = Perathereutes pungens9
Cladosictis patagonica9 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
"Sipalocyon gracilis" = Sipalocyon gracilis9 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 longus n. sp." = Sipalocyon gracilis9 Ameghino 1887 metatherian MACN 5965, dentary p2-m3, holotype
"Sipalocyon mixtus n. sp." = Sipalocyon gracilis9 Ameghino 1887 metatherian MACN 5963, dentary p2, m1, m3, holotype
"Sipalocyon altiramis n. sp." = Sipalocyon gracilis9 Ameghino 1887 metatherian MACN 5964, dentary p1-m1, holotype
"Abderites altiramis n. sp." = Perathereutes pungens9 Ameghino 1891 metatherian MACN-A 8250, dentary m3, holotype
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Microbiotherium tehuelchum10 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
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Stilotherium dissimile n. gen. n. sp.10, Acdestis oweni4, Palaeothentes lemoinei1, Palaeothentes intermedius1, Palaeothentes minutus1, Phonocdromus gracilis n. gen. n. sp.10, Abderites meridionalis1
Stilotherium dissimile n. gen. n. sp.10 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
Phonocdromus gracilis n. gen. n. sp.10 Ameghino 1894 marsupial MACN 8457, lectotype, dentary p3-m3; 8458, dentary m2-3; 8461, dentary p3-m4; 8462, dentary m2-4
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Stenotatus patagonicus14 Ameghino 1887 edentate MACN-A 7800, osteoderms; MACN-A 8235, carapace and postcrania
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"Propalaehoplophorinae indet." = Propalaehoplophoridae14
"Propalaehoplophorinae indet." = Propalaehoplophoridae14 Ameghino 1891 edentate MACN-A 7693, humerus
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Schismotherium fractum13 Ameghino 1887 edentate Neotype: MACN-A 6445–6470, collected between 1892–93
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Pseudoacaremys kramarzi n. gen. n. sp.3
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Reptilia | |
Erichosaurus bombimaxila n. sp.7, Erichosaurus debilis n. sp.7, Erichosaurus diminutus n. gen. n. sp.7
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Aves | |
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"Brontornithidae indet." = Brontornithinae5, Psilopterus bachmanni2, Psilopterus lemoinei2, Phorusrhacos longissimus5, Patagornis marshi2
"Brontornithidae indet." = Brontornithinae5 Moreno and Mercerat 1891 terror bird NHMUK PV A9057, tibiotarsus, originally classified as Callornis giganteus
Phorusrhacos longissimus5 Ameghino 1887 terror bird NHMUK PV A581, tarsometatarsus, originally classified as Callornis giganteus
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