Albertosaurus older "Gorgosaurus libratus" (sometimes called "Albertosaurus libratus"; see below). These two species are the only described albertosaurines; other undescribed species may exist. Thomas Holtz found "Appalachiosaurus" to be an albertosaurine in 2004, but his more recent unpublished work locates it just outside Tyrannosauridae, in agreement with other authors. The other major subfamily of tyrannosaurids is the Tyrannosaurinae, which includes "Daspletosaurus", "Tarbosaurus" and "Tyrannosaurus". Compared with these robust tyrannosaurines, albertosaurines had slender builds, with proportionately smaller skulls and longer bones of the lower leg (tibia) and feet (metatarsals and phalanges). Below is the cladogram of the Tyrannosauridae based on the phylogenetic
The Politics of Bones save his life. When his quest failed, Owens narrowly escaped Nigeria with his life, first to London, and then to Toronto. "The Politics of Bones" documents Owens's personal battle against the Nigerian government to locate his brother's remains after they were buried in an unmarked mass-grave. Over the torturous course of ten years, Owens finally succeeded in locating and properly burying his brother in the summer of 2005. The Politics of Bones The Politics of Bones: Dr. Owens Wiwa and the Struggle for Nigeria's Oil is a book by Canadian journalist J. Timothy Hunt. It was published by McClelland &