| phylogeny, biogeography, and display evolution in the tree and brush lizard genus urosaurus (squamata: phrynosomatidae). | the brush and tree lizards (urosaurus) are a small clade of phrynosomatid lizards native to western north america. though not as well known as their diverse sister clade, the spiny lizards (sceloporus), some urosaurus have nonetheless become model organisms in integrative biology. in particular, dramatic phenotypic and behavioral differences associated with specific mating strategies have been exploited to address a range of ecological and evolutionary questions. however, only two phylogenies ha ... | 2011 | 21871967 |