Table 1 Contextual data on the double-beveled bone tools from Sibudu.

	Excavation date	Square	Layer	Layer code	Cultural attribution	OSL (ka)	References
Figures 2(a), 4(a)		B5d	Grey Rocky 2, hearth B	GR2	HP	61.7 ± 2.0	(⁴⁵, Fig. 6)
Figures 2(b), 4(b)	19/11/2009	C4d	Pinkish Grey Sand 2	PGS2	HP	64.7 ± 2.3	(⁴⁷, Fig. 4.6)
Figures 2(c), 4(c), 5(h)	13/11/2009	B4a	Pinkish Grey Sand	PGS3	HP	64.7 ± 2.3	(⁴⁷, Fig. 4.8)
Figures 2(d), 3(d)	11/11/2004	B5b	Reddish Grey Sand	RGS	SB	70.5 ± 2.4
Figures 2(e), 3(h), 4(e)	11/3/2007	C5d	Reddish Grey Sand	RGS	SB	70.5 ± 2.4
Figures 2(f), 4(f)	11/3/2007	C5d	Reddish Grey Sand	RGS	SB	70.5 ± 2.4
Figure 2(g)	16/11/2004	B6a	Reddish Grey Sand 2	RGS2	SB
Figures 2(h), 3(a)	21/2/2010	B4a	Light Brownish Grey	LBG	PSB	72.5 ± 2.5
Figures 2(i), 4(i)	21/2/2010	B4b	Light Brownish Grey	LBG	PSB	72.5 ± 2.5	(⁴⁷, Fig. 4.9)
Figures 2(j), 3(e)	17/2/2010	B4d	Light Brownish Grey, under hearth	LBG	PSB	72.5 ± 2.5
Figure 2(k)	28/2/2010	B4b	Light Brownish Grey 3, hearth 1	LBG3	PSB
Figures 2(l), 4(l)	28/2/2010	C4d	Light Brownish Grey 3	LBG3	PSB
Figure 2(m)	31/8/2005	B5a	Brown Sand, Brown Sand 2, hearth 1	BS/BS2	PSB	77.2 ± 2.7
Figure 2(n)	4/10/2010	B4d	Brown Sand 4	BS4	PSB
Figure 2(o)	5/10/2010	B4d	Brown Sand 5	BS5	PSB
Figures 2(p), 3(g), 4(p)	20/10/2010	B4d	Brown Sand 6	BS6	PSB
Figure 2(q)	5/3/2011	C5b	Brown Sand 7	BS7	PSB
Figure 2(r)	27/2/2011	C5d	Brown Sand 7	BS7	PSB
Figures 2(s), 3(i), 5(g)	14/3/2011	C4c	Brown Sand 9	BS9	PSB
Figures 2(t), 3(b)	14/3/2011	C4c	Brown Sand 9	BS9	PSB
Figures 2(u), 3(f), 4(u)	25/3/2011	C5d	Brown Sand 12	BS12	PSB
Figures 2(v), 3(c)	25/3/2011	C5d	Brown Sand 12	BS12	PSB
Figures 2(w), 5(i)	27/3/2011	B4a	Brown Sand 14	BS14	PSB

Excavation date, stratigraphic provenance, and cultural attribution of the bone tools reported in the present study. OSL ages (in ka) were reported in^49,55. Four tools were described in previous publications but were not submitted to texture analysis.

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