Equids and Gomphotheres from the late Pleistocene of Buenos Aires province, Argentina

被引：9

作者：

Prado, J. ^{[1
]}

Alberdi, M. T. ^{[2
]}

机构：

[1] Univ Nacl Ctr, INCUAPA, Dept Arqueol, Olavarria, Argentina

[2] CSIC, Museo Nacl Ciencias Nat, E-28006 Madrid, Spain

来源：

ESTUDIOS GEOLOGICOS-MADRID | 2012年 / 68卷 / 02期

关键词：

Mammals; Equidae; Gomphotheriidae; Hippidion; Equus (Amerhippus); Stegomastodon; Late Pleistocene; San Pedro; Argentina; HIPPIDION-SALDIASI ROTH; EQUUS AMERHIPPUS; CLADISTIC-ANALYSIS; UPPER QUATERNARY; PAMPEAN AREA; HORSE EQUUS; SANTA-CRUZ; PROBOSCIDEA; MAMMALIA; PERISSODACTYLA;

D O I：

10.3989/egeol.40422.143

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Mammal fossil remains from San Pedro (Buenos Aires Province, Argentina) are very poorly known. In this paper, best preserved specimens of Equidae and Gomphotheriidae are described. They come from "Campo Sposito" quarry near San Pedro city. The quarry was referred to Lujanian Age, Biozone of Equus (Amerhippus) neogeus. We conducted a comparative study with other South American horse and gomphothere remains, mainly from Argentina and Brazil, allow their identification as Equus (Amerhippus) neogeus, Hippidion principale and Stegomastodon cf. S. platensis. Two absolute dates were obtained by the method of OSL: 37626 +/- 4198 y 41554 +/- 3756 years BP. Based on this data the correlation with other localities we referred this bed to oxygen isotopic stage 3.

引用

页码：261 / 276

页数：16

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