Table 1. Isotopic values, C:N ratios, amount of collagen extracted (%Coll) refer to the >30 kDa fraction.

δ¹³C values are reported relative to the vPDB standard and δ¹⁵N values are reported relative to the AIR.

MPI Code	Type	%coll	δ13C	δ15N	%C	%N	C:N	AMS Nr	14C Age	1σ err	Cal BP 68.2%	Cal BP 95.4%
S-EVA 26436	Sphenoid fragment	0.81	-19.03	5.86	3.00	1.17	3.00	MAMS-16368	8331	44	9146–9407	9127–9438