Main Page | See live article | Alphabetical index Petrosaurus Scientific classification Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Squamata Sub-order: Sauria Family: Phrynosomatidae Genus: Petrosaurus Classification of the genus Petrosaurus Genus Petrosaurus Petrosaurus mearnsi Petrosaurus thalassinus This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.