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Facet measurements for the talus in dorsal, distal, and plantar orientations. Articular surface areas were measured for the ectal (green), trochlear (red), navicular (light blue) and sustentacular facets (dark blue). Talus measurements shown on Callimico goeldii (USNM 395455). (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)
