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 Thomas Holtz found "Appalachiosaurus" to be an albertosaurine in 2004, but his more recent unpublished work locates it just outside Tyrannosauridae, in agreement with other authors.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 Bones of Zora theory, which Foltz endeavors to hijack and break up. Various complications ensue; Fergus and Alicia are brought back together by their mutual passion for each other and enmity with Foltz, only to be alienated again due to Alicia's extreme behavior. Ultimately Fergus decides with regret it would be disastrous to take her back, and she leaves Krishna heartbroken, hoping to find treatment for her personality disorders on Earth. "The Bones of Zora" is unique among the later Krishna novels in its inclusion of a non-Krishnan extraterrestrial, a reptilian native of the planet Osiris. While such aliens were fairly common in