1.
A General Framework for the Analysis of Phenotypic Trajectories in Evolutionary Studies
by Adams, Dean C
Evolution, 2009, Vol.63 (5), p.1143-1154

2.
RATES OF MORPHOLOGICAL EVOLUTION ARE CORRELATED WITH SPECIES RICHNESS IN SALAMANDERS
by Rabosky, Daniel L.
Evolution, 2012, Vol.66 (6), p.1807-1818
