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PtolemyThis article is about the geographer and astronomer Ptolemy. For Alexander the Great's general, see Ptolemy I of Egypt. For others, see Ptolemy (disambiguation). Claudius Ptolemaeus (Greek: Klaudios Ptolemaios; A. circa 85 circa 165), known in English as Ptolemaic dynastyPtolemy one of Alexander the Great's generals, was appointed satrap of Egypt after Alexander's death in 323 BC. In 305 BC he declared himself King Ptolemy I, later known as "Soter" (saviour). The Egyptians soon accepted the Ptolemies as the successors to Pterodactylusantiquus ( Holotype) P. arningi P. cerinensis ''P. grandipelvis ''P. grandis ''P. kochi P. manseli P. maximus ''P. micronyx ''P. pleydelli ''P. suprajurensis Pterodactylus TER-o-DACK-ti-lus was a pterosaur or flying reptile, with a wingspan of about 50 75 PterosaurPterosaur s ("winged lizards") were flying reptiles of the clade Pterosauria. They existed from the late Triassic to the Cretaceous periods (from 228 to 65 million years ago). The earlier species had long, fully-toothed jaws and long tails, while later fo PteranodonThe Pteranodon was a pterosaur, a prehistoric flying lizard. It measured about 1. 8 metres (six feet) long with a wingspan of 7. 5 m (25 feet), and lived during the late Cretaceous period. Pteranodon was notable for its skull crest. The crest has many blo PT boatA PT boat was a motor torpedo boat ( hull classification symbol "PT"), a small, fast vessel used by the United States Navy in World War II to attack larger surface ships. The most famous of these torpedo boats, PT-109 commanded by future United States Pre Ptolemy III of Egypt Ptolemy of Mauretania Ptolemy Philadelphus Ptolemy XIII of Egypt Ptolemy I of Egypt Ptolemy II of Egypt Ptolemy IV of Egypt Ptolemy V of Egypt Ptolemy VI of Egypt