Where: Arequipa, Peru (15.5° S, 74.8° W: paleocoordinates 15.6° S, 74.5° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Pleistocene (2.6 - 0.0 Ma)
• Quaternary deposits of Sacaco overlying the Pisco Formation (Miocene±Pliocene) (Muizon
•1981; Marocco and Muizon 1988) and Tres Ventanas cave, of Peruvian Andes (Engel 1970).
Environment/lithology: terrestrial; unlithified lithology not reported
Size class: macrofossils
Preservation: original phosphate
Primary reference: F. Pujos and R. Salas. 2004. A new species of Megatherium (Mammalia: Xenarthra: Megatheriidae) from the Pleistocene of Sacaco and Tres Ventanas, Peru. Palaeontology 47(3):579-604 [C. Jaramillo/J. Ceballos/A. Cardenas ]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 144922: authorized by Carlos Jaramillo, entered by Juliana Ceballos on 21.05.2013, edited by Andrés Cárdenas, Miranta Kouvari and Juan Carrillo
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Calomys sp. Waterhouse 1837 vesper mouse | |
Equus cf. santaeelenae Spillmann 1938 horse | |
Megatherium urbinai Pujos and Salas 2004 edentate MUSM 15: a partial skeleton including fragments of the skull, hyoid apparatus, and mandible (with two teeth), three sacral vertebrae, the 12 posterior caudal vertebrae, a hemal arch, several ribs, distal epiphysis of R and L humeri, proximal epiphysis of R radius, L radius, R and L ulnae, R and L scaphoids, L cuneiform (medial side damaged), L pisiform, L trapezoid (medial side damaged), L unciform, R magnum, R and L palmar sesamoids, L MCC, L McII±V and R IV-V, L P1-II (dorsal portion absent), L P3-II (dorsal half of the articulation absent), L P(1±2)- III, R and L P3-III, L P1-IV, R and L P2-IV, R and L P3-IV, R and L proximal P-V, R femur (most of medial surface missing), L patella, R tibia-®bula, distal half of L tibia-®bula, one ossi®ed meniscus of the knee joint, R and L cyamellae, R and L astragali, R calcaneum, R and L cuboids, L navicular, R ectocuneiform, L MEC, L MtIII, R MtIV, R and L P(1±2)-III, L P3-III, and one sesamoid (fabella?).
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