archaeoraptor造句

• Archaeoraptor also had hollow bones, typical of birds.
• There have also been paleontological forgeries like archaeoraptor.
• On comparing his fossil with images of " Archaeoraptor " it became evident that it was a composite fake.
• Although " Archaeoraptor " was a forgery, many true examples of feathered dinosaurs have been found and demonstrate the evolutionary connection between birds and other theropods.
• By that time the November issue of " National Geographic " was already in preparation for printing, but " Archaeoraptor " was never formally published in any peer-reviewed journal.
• It was eventually determined that " Archaeoraptor " had been constructed from parts of an Early Cretaceous bird " Yanornis martini " and a small dinosaur " Microraptor zhaoianus"
• "Yanornis " gained notoriety when the front half of a fossil bird was combined with the tail of a " Microraptor " to make the paleontological forgery " Archaeoraptor ".
• On February 3, 2000 " The National Geographic News " issued a press release stating that the " Archaeoraptor " fossil might be a composite, and that an internal investigation had begun.
• Currie then contacted the Institute of Vertebrate Paleontology and Paleoanthropology in Beijing, and " National Geographic " flew the IVPP's Xu Xing to Utah to be part of the " Archaeoraptor " team.
• Fossils of the animal, called Archaeoraptor liaoningensis, suggest that it lived 120 million to 140 million years ago when a branch of dinosaurs was evolving into the vast family of birds that now live on every continent, researchers said Thursday.
• In November 1999, Olson wrote an open letter to the National Geographic Society, in which he criticized Christopher P . Sloan's claims about the dinosaur-to-bird transition which referred to the fake species " Archaeoraptor ".
• The bottom portion of the " " Archaeoraptor " " composite came from a legitimate feathered dromaeosaurid now known as " Microraptor ", and the upper portion from a previously-known primitive bird called " Yanornis ".
• Despite the work of Zhou et al . ( 2002 ), Czerkas and co-author Xu Xing described the upper portion of the " Archaeoraptor " fossil as a new bird genus, " Archaeovolans ", in the " Dinosaur Museum Journal ".
• Since the two names designate the same individual as the type specimen, " Microraptor zhaoianus " would have been a junior objective synonym of " Archaeoraptor liaoningensis " and the latter, if valid, would have had priority under the International Code of Zoological Nomenclature.
• In October 1999, after having been informed by Currie of the problems and seeing the specimen for the first time, Xu noticed that the tail of " Archaeoraptor " strongly resembled an unnamed maniraptoran dinosaur that he was studying & mdash; later to be named " Microraptor zhaoianus ".
• In 1999, Sloan published a feature article called  Feathers for T . Rex ?  for " National Geographic Magazine ", describing an " Archaeoraptor " fossil found in China as " a missing link between terrestrial dinosaurs and birds that could actually fly . " It was discovered later that the fossil had been illegally exported from China and had been a forged composite fossil and not a new species.
• A similar situation arose with " Tyrannosaurus rex " and " Manospondylus gigas ", in which the former became a " nomen protectum " and the latter a " nomen oblitum " due to revisions in the ICZN rules that took place on December 31, 1999 . In addition, Xu's name for the type specimen ( " Microraptor " ) was subsequently used more frequently than the original name; as such, this and the chimeric nature of the specimen would render the name " Archaeoraptor " a " nomen vanum " ( as it was improperly described ) and the junior synonym " Microraptor " a " nomen protectum " ( as it's been used in more published works than " Archaeoraptor " and was properly described ).
• A similar situation arose with " Tyrannosaurus rex " and " Manospondylus gigas ", in which the former became a " nomen protectum " and the latter a " nomen oblitum " due to revisions in the ICZN rules that took place on December 31, 1999 . In addition, Xu's name for the type specimen ( " Microraptor " ) was subsequently used more frequently than the original name; as such, this and the chimeric nature of the specimen would render the name " Archaeoraptor " a " nomen vanum " ( as it was improperly described ) and the junior synonym " Microraptor " a " nomen protectum " ( as it's been used in more published works than " Archaeoraptor " and was properly described ).