Quaternary International 352 (2014) 197e199

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Quaternary International

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Dated evidence of the interaction between humans and megafauna in the late of Sergipe state, northeastern

* Mario Andre Trindade Dantas a, , Daivisson Batista Santos b, Alexandre Liparini c, Alberico Nogueira de Queiroz d, Olivia Alexandre de Carvalho d, Erika Sousa Vieira de Castro c, Alexander Cherkinsky e a Instituto Multidisciplinar em Saúde, Universidade Federal da e Campus Anísio Teixeira, Vitoria da Conquista, BA, Brazil b Archaios Logos, , SE, Brazil c Laboratorio de Paleontologia, Departamento de Biologia, Centro de Ci^encias Biologicas e da Saúde, Universidade Federal de Sergipe, Sao~ Cristovao,~ SE, Brazil d Laboratorio de Bioarqueologia, Núcleo de Arqueologia, Campus de , Universidade Federal de Sergipe, Brazil e Center for Applied Isotope Studies, University of Georgia, Athens, GA 30602, USA article info abstract

Article history: We present a radiocarbon date (12,742e12,562 cal BP) for an laurillardi tooth found in Available online 13 October 2014 Sergipe state, northeastern Brazil, which shows anthropogenic marks. Our result provides additional information and reinforces the hypothesis that humans was present in earlier than Keywords: accepted currently, and interacted with megafauna during the late Pleistocene in this region. 14 C dating © 2014 Elsevier Ltd and INQUA. All rights reserved. Ground Humanemegafauna interaction Late Pleistocene Sergipe Northeastern Brazil

1. Introduction 2. Material and methods

Recently, Dantas et al. (2012) described a modified tooth of an AsampleofEremotherium laurilardi tooth LPUFS 4992 (Fig. 1) Eremotherium laurillardi (Lund, 1842) (giant ) as found in the Sao~ Jose farm, Poço Redondo, Sergipe (Dantas et al., 2012) reflecting human action found in Sergipe state, northeastern Brazil. was analyzed at the Center for Applied Isotope Studies of the Uni- This material represents new evidence of the interaction between versity of Georgia, USA. The bioapatite fraction of the tooth dentine humans and megafauna in South America. was purified as described by Cherkinsky (2009), and carbon isotope Based on this evidence, Dantas et al. (2012) proposed two hy- ratios were measured using conventional mass spectrometer Fin- pothesis trying to explain when this interaction between mega- ningan 252. The 14Cagewasdefined using 0.5 MV NEC 1.5 SDH-1 fauna and human occurred in the northeastern region of Brazil: (1) Pelletron Accelerator Mass Spectrometer. The results were cali- during the Pleistocene, based on the dated time range for Eremo- brated to calendar years using CALIB 6.0 on line radiocarbon calibra- therium fossils without anthropogenic marks (e.g. Rossetti et al., tion program with 2 sigma of standard deviation (Reimer et al., 2009). 2004; Dantas et al., 2013); or (2) during the Holocene, based on the most ancient dated evidences of paleoindians recovered in 3. Results and discussion Sergipe, but without evidence of interaction with megafauna spe- cies (Carvalho, 2003). This communication presents a radiocarbon The dating of the E. laurillardi modified tooth (LPUFS 4992) date for the modified tooth mentioned above, which indicates the showed an age between 12,742e12,562 cal BP (10,740 ± 30 14CBP, best hypothesis about when this interaction may have occurred, UGAMS 14017). In the same locality are five teeth of the same providing complementary discussion about this finding. dated between 27,690 and 11,084 cal BP (Table 1). Other dates for this species are available from nearby states (Table 1). In an age of 18,850e18,580 cal BP was found 14 * Corresponding author. through C, and in Bahia ca. 15 ka, through U-series dating. Further E-mail address: [email protected] (M.A.T. Dantas). dates from other were reported from Sao~ Paulo http://dx.doi.org/10.1016/j.quaint.2014.09.040 1040-6182/© 2014 Elsevier Ltd and INQUA. All rights reserved. 198 M.A.T. Dantas et al. / Quaternary International 352 (2014) 197e199

discussed by Purdy et al. (2011), these characteristics suggest manipulation on fresh material. One of the hypotheses for the arrival of humans in South America (between 14 and 13 ka, e.g. Neves and Pilo, 2008)isin agreement with our results. Nevertheless, this is not the only direct dated record of the interaction between human and megafauna. Another older date was indicated by Farina~ et al. (2014), which shows marks made in bones of the giant ground sloth Lestodon in , with an age between 32,298 and 31,219 cal BP, far beyond the age accepted today for the incoming of paleoindians to South America territories. Other evidence older than 30 ka were also published elsewhere (e.g. prehistoric paintings, lithic instruments; Guidon and Delibrias, 1986; Lahaye et al., 2013), and reinforce the interpretation that pioneer people may have lived in South America with low density and high mobility, which would explain the scarcity of sites with incontestable evidence (Prous and Fogaça, 1999). Evidence of humanemegafauna interaction from 10 to 9 ka may represent the time when the establishment of permanent settlements of South American paleoindians occurred (e.g. Prous and Fogaça, 1999; Dillehay et al., 2008).

4. Final remarks

In the same locality in which this tooth was found, several lithic instruments were noted at the surface of the outcrop, which Dantas et al. (2012) suggested that were used in the manufacture of this piece. However, these instruments could not be directly associated with this tooth, as noted by Hubbe et al. (2012), because the sedi- ment layers were mixed and those materials were not collected in its original stratigraphic context. Therefore, the instrument that may have been used to drastically alter the tooth shape could not be Fig. 1. Images of the modified tooth of Eremotherium laurillardi (LPUFS 4992), in (A) right lateral view, (B) internal view, (C) left lateral view, (D) featured polish marks. determined, which limits more complete interpretation and cor- relation between the findings of this locality. However, we do not consider this to be a hindrance to our proposition of interaction (15,130e14,240 cal BP; Table 1) and the Amazonia region between humans and megafauna during the late Pleistocene in this (13,760e13,700 cal BP; Table 1). These dates suggests that E. laur- region, as the modified tooth has now been dated. Finally, our result illardi lived in a wide region of Brazil, between 4S and 24S, in the supports the acceptance of the first hypothesis proposed by Dantas late Pleistocene, from at least 27 ka to 11 ka. et al. (2012), that this tooth represents a humanemegafauna interaction in late Pleistocene.

Table 1 Datings for Eremotherium laurillardi in Brazil.

Sample number Latitude (S) Localities Ages (years) Calibrated age (2s range, cal yr BP)

* Sample 2(1) 04160 Itaituba/PA 11,340 ± 50(d, ) 13,760e13,700 ** UGAMS 09435(2) 06150 Currais Novos/RN 15,490 ± 40(d, ) 18,580e18,850 ** UGAMS 14017(3) 09550 Poço Redondo/SE 10,740 ± 30(d, ) 12,562e12,742 ** UGAMS 13539(4) 09550 Poço Redondo/SE 10,990 ± 30(d, ) 12,685e13,070 ** UGAMS 13540(4) 09550 Poço Redondo/SE 11,010 ± 30(d, ) 12,704e13,080 ** UGAMS 13541(4) 09550 Poço Redondo/SE 9720 ± 30(d, ) 11,084e11,233 ** UGAMS 13542(4) 09550 Poço Redondo/SE 9730 ± 30(d, ) 11,089e11,237 ** UGAMS 13543(4) 09550 Poço Redondo/SE 11,580 ± 30(d, ) 13,292e13,581 ** UGAMS 09432(2) 09550 Poço Redondo/SE 22,440 ± 50(d, ) 26,690e27,690 * UGAMS 06136(5) 10420 Quijingue/BA 15,770 ± 40(b, ) 18,730e19,280 S/n(6) 10580 do Moura/BA 15,000 ± 500(s,#) e S/n(6) 10580 Caatinga do Moura/BA 16,100 ± 3,900(s,#) e S/n(6) 10580 Caatinga do Moura/BA 15,800 ± 2,000(s,#) e * MZSP-PV610(7) 24350 Iporanga/SP 12,550 ± 60(d, ) 15,130e14,240

(s) * ** Legends (b) Bone; (d) Dentine; Speleotheme; ( )14C dating in collagen; ( )14C dating in bioapatite; (#)U-series dating; PA: Para; RN: Rio Grande do Norte; SE: Sergipe; BA: Bahia; SP: Sao~ Paulo. Cited articles (1) Rossetti et al. (2004); (2) Dantas et al. (2013); (3) Our data; (4) França et al. (2014); (5) Drefahl (2010); (6) Auler et al. (2006); (7) Hubbe et al. (2013).

The radiocarbon date presented for the Eremotherium laurillardi References tooth (LPUFS 4992) is attributed to the time in which these marks were made, because the marks found in the lateral borders of the Auler, A.S., Pilo, L.B., Smart, P.L., Wang, X., Hoffmann, D., Richards, D.A., fl Edwards, R.L., Neves, W.A., Cheng, H., 2006. U-series dating and taphonomy of tooth (Fig. 1A and C) have smooth edges, and the oor of the cut Quaternary vertebrates from brazilian caves. Palaeogeography Palae- marks show the same coloration of the rest of the tooth (Fig. 1D). As oclimatology Palaeoecology 240, 508e522. M.A.T. Dantas et al. / Quaternary International 352 (2014) 197e199 199

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