Comparison of the tarsometatarsi of hesperornithiforms in dorsal view (left-to-right: <i>Fumicollis hoffmani</i> UNSM 20030; <i>Hesperornis regalis</i> YPM 1200; <i>Baptornis advenus</i> AMNH 5101).
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Arrow indicates the proximal narrowing of the neck of metatarsal II, which is most pronounced in F. hoffmani. Insets are shown scaled to be of similar size to F. hoffmani. Abbreviations: II, trochlea of metatarsal II; mc, medial cotyla.
创建时间：
2015-11-18
