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 Thomas Holtz found "Appalachiosaurus" to be an albertosaurine in 2004, but his more recent unpublished work locates it just outside Tyrannosauridae, in agreement with other authors.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 Avalon The Bones of Avalon The Bones of Avalon is a novel in first-person narrative mode by Phil Rickman. It is about John Dee who investigates undercover on Her Majesty's Service. It was followed by "The Heresy of Dr Dee". John Dee gets visited by Elizabeth I of England in Mortlake. She implies she wants to do some research on "our royal ancestor" King Arthur. Subsequently, her Secretary of State Sir William Cecil assigns him to seize King Arthur's bones. This would finally refute the still popular myth of King Arthur's messianic return. Sir William Cecil wants to have Arthur's bones