Tarsometatarsus KP/KK/BS/100 tentatively referred to <i>Pelecanus sivalensis</i>.

Abstract

<p>A. dorsal; B. medial; C. plantar; D. lateral; E. distal; and F. proximal views. The arrow in E indicates the concave notch in the medial side of trochlea II that is a Steganopodes (sensu Smith <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0111210#pone.0111210-Smith1" target="_blank">[22]</a>) synapomorphy. The scale bar is 1 cm (with one scale bar for parts A–D and one for E–F). Abbreviations: df—distal foramen; f—small pneumatic foramen; ie—intercondylar eminence; mc—medial crest of the hypotarsus; mf—fossa for metatarsal I; mr—ridge medial to the dorsal pneumatic foramen that is part of the extensor retinaculum attachment; pf—dorsal pneumatic foramen where the proximal foramina would be in other taxa; pl—lateral plantar opening of the proximal foramen; pm—medial plantar opening of the proximal foramen; r—ridge on the medial hypotarsal crest that bounds a concave area to its medial side; tc—tendinal canal opening; tg—tendinal groove.</p