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 Thomas Holtz found "Appalachiosaurus" to be an albertosaurine in 2004, but his more recent unpublished work locates it just outside Tyrannosauridae, in agreement with other authors.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
Servant of the Bones Servant of the Bones Servant of the Bones (1996) is a historical horror novel by Anne Rice. "Servant of the Bones" is an account of the creation and subsequent existence of a genie, Azriel. It is a story told as a fireside chat and includes historical accounts of Azriel's life as a displaced Jewish merchant's son in Babylon at the time of its conquest by Cyrus the Persian. There are also glimpses of life in ancient Miletus, in Strasbourg during a pogrom, and New York City of the 1990s. Throughout the novel, Azriel is struggling to understand whether he is