Tetrapod limb development has been studied extensively for decades, yet the strength and role of developmental constraints in this process remains unresolved. Mammals exhibit a particularly wide array
Results from matrix correlation analysis of phylogenetic distance matrix and matrix of similarity in morphological integration. Asterisks indicate significance at the p = 0.05 level (**) or the p = .1
Morphological data matrix in nexus format with all 421 characters coded for 81 taxa. The file can be opened in the software Mesquite for easy editing, or read directly with any text editor. Data are a