![]() Notiomastodon platensis, Equus (Amerhippus) c.f. Only five other megafauna taxa have been identified from this site, including Glossotherium cf. While over 1000 megafaunal bones have been identified from the Pleistocene strata at Tanque Loma, more than 85% of these remains pertain to a single species, the giant ground sloth Eremotherium laurillardi. These are interpreted as raptor assemblages. ![]() Several meters of presumed-Holocene sediments overlying the megafauna-bearing strata are rich in bones of microvertebrates including birds, squamates, and rodents. ![]() The megafauna bones are concentrated in and just above a Ëœ0.5 m thick asphaltic layer, but occur sparsely and with poorer preservation up to 1 m above this deposit. ![]() This paper reports data from excavations at Tanque Loma, a late-Pleistocene locality on the Santa Elena Peninsula that preserves a dense assemblage of megafaunal remains in hydrocarbon-saturated sediments along with microfaunal and paleobotanical material. Tanque Loma, a new late-Pleistocene megafaunal tar seep locality from southwest Ecuadorįossil deposits in the petroleum-rich sediments of the Santa Elena Peninsula in southwestern Ecuador contain some of the largest and best-preserved assemblages of Pleistocene megafaunal remains known from the neotropics, and thus represent an opportunity to greatly expand our knowledge of Pleistocene paleoecology and the extinction of Quaternary megafauna in this region.
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