Keywords: Cnemiornis.jpg Cnemiornis calcitrans and Cereopsis novaehollandiae skeletons http //www lib utexas edu/books/nzbirds/html/txu-oclc-7314815-2-28-p-095 html 1879 Griesbach PD-old Bird skeletal diagrams Cnemiornis calcitrans Cereopsis novaehollandiae Anseriformes fossils Anatidae skeletons Bird skeleton comparisons |