<p>Comparison of charadriiform and sphenisciform carpometacarpi. 
</p>
<dl><dd>A <i>Anous minutus</i> (USNM 622415)</dd>
<dd>B <i>Cerorhinca monocerata</i> (USNM 620641)</dd>
<dd>C <i>Pinguinus impennis</i> (USNM 623465)</dd>
<dd>D <i>Mancalla cedrosensis</i> (LACM 15373)</dd>
<dd>E <i>Eudyptula minor</i> (TMM M-931).</dd></dl>
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.
Neil Adam Smith
CC BY 3.0
Smith, N.A. 2010. Taxonomic revision and phylogenetic analysis of the flightless Mancallinae (Aves, Pan-Alcidae) <i>Zookeys</i> 91: 1–116 <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.3897%2Fzookeys.91.709">10.3897/zookeys.91.709</a>