Organization of the Olfactory and Respiratory Skeleton in the Nose
... fossil mammals. Variability in this complex is suspected to be systematically informative
(Cleland, 1862; Allen, 1882; Paulli, 1900a,b,c; Gregory, 1910; Negus, 1958; Moore, 1981;
Novacek, 1993). However, few characters are formally scored in cladistic analyses, variability of this system is not well ...