Extended Data Fig. 8: Illustration of the calcar femorale of TM 266-01-063.
From: Postcranial evidence of late Miocene hominin bipedalism in Chad
a, virtual representation of the proximal portion of the femur in posterior view, the asterisk marks the position of the parasagittal microCT-slice passing through the lesser trochanter; b, microCT-slice image of the parasagittal section showing the proximo-distal extension of the calcar femorale (cf) and b’, corresponding binarized image enhancing the calcar femorale; c, microCT-slice image of the parasagittal section in BAR 1003’00 femur (Or. tugenensis) showing the proximo-distal extension of the calcar femoral, and c’, corresponding binarized image; d, virtual representation of the proximal portion of the femur in posterior view showing transversal levels (i-vi) used for imaging the development of the calcar femorale (following29); e, microCT- slice images of the sections (i-vi as in TM 266-01-063) showing expression of the calcar femorale transversally (medial to the right and anterior to the top), and f, corresponding binarized version; g, microCT- slice images of the sections (i-vi) showing expression of the calcar femorale transversally in BAR 1003’00 (acquired from CT-scan data, this study). Scale bar for a, d, 10 mm; b, 6 mm; e, f, 4 mm.
