The genus name refers to the Aztec feathered serpent god, Quetzalcoatl. That same year, in a subsequent letter to the same journal, he made the original large specimen, TMM 41450-3, the holotype of a new genus and species, Quetzalcoatlus northropi. Lawson in 1975 announced the find in an article in Science. of the Texas Memorial Museum unearthed three fragmentary skeletons of much smaller individuals. Lawson discovered a second site of the same age, about 40 km (25 mi) from the first, where between 19 he and Professor Wann Langston Jr. The specimen consisted of a partial wing (in pterosaurs composed of the forearms and elongated fourth finger), from an individual later estimated at over 10 m (33 ft) in wingspan. Lawson, a geology graduate student from the Jackson School of Geosciences at the University of Texas at Austin. The first Quetzalcoatlus fossils were discovered in Texas, United States, from the Maastrichtian Javelina Formation at Big Bend National Park (dated to around 68 million years ago ) in 1971 by Douglas A.
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