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. 2011 Apr 20;(91):1–116. doi: 10.3897/zookeys.91.709

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N. Adam Smith

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Figure 17. — Comparison of charadriiform and sphenisciform carpometacarpi. A Anous minutus (USNM 622415) B Cerorhinca monocerata (USNM 620641) C Pinguinus impennis (USNM 623465) D Mancalla cedrosensis (LACM 15373) E Eudyptula minor (TMM M-931). Anatomical abbreviations: aII:1 articulation of digit II phalanx 1 ct carpal trochlea ep extensor process mc1 first metacarpal mc2 second metacarpal mc3 third metacarpal.