Janenschia was created in 1991.
Janenschia was a genus of sauropod dinosaur that is estimated to have reached lengths of up to 20 meters (about 66 feet). In terms of height, it is believed to have stood around 4 to 5 meters (approximately 13 to 16 feet) at the hips. This makes Janenschia one of the larger dinosaurs of its time. Its size reflects the impressive scale that sauropods achieved during the Mesozoic era.
Janenschia is a dinosaur. It was a huge dinosaur with a long neck and tail.
diploducos hes like a quarter of a football field big and the other one is about 15 washing mashines big
· Allosaurus · Brachiosaurus · Carcharodontosaurus · Deinonychus · Edmontosaurus · Futalognkosaurus · Gigantosaurus · Homalocephale · Iguanodon · Janenschia · Kentrosaurus · Lambeosaurus · Mamenchisaurus · Notoceratops · Ouranosaurus · Pentaceratops · Quetzalcoatlus · Riojasaurus · Sinosauropteryx · Tyrannosaurus · Ultrasauros · Velociraptor · Wannanosaurus · Xiaosaurus · Yangchuanosaurus · Zigongosaurus
Jainosaurus Janenschia Jaxartosaurus Jeholornis (technically a bird) Jeholosaurus Jenghizkhan "Jensenosaurus" "Jiangjunmiaosaurus" Jiangjunosaurus Jiangshanosaurus Jinfengopteryx Jingshanosaurus Jintasaurus Jinzhousaurus Jiutaisaurus Jixiangornis (technically a bird) Jobaria Jubbulpuria Jurapteryx "Jurassosaurus" Juravenator
Okay here are some Dinosaurs with names that start with the letter a. List: Ankylosaurus, Acanthopholis, Acrocanthosaurus, Albertosaurus, Allosaurus, Abelisaurus, Achelousaurus, Actiosaurus, Adasaurus, Aegyptosaurus, Aeolosaurus, Aepisaurus, Afrovenator, Agathaumas, Agilisaurus, Agrosaurus, Alamosaurus, Alectrosaurus, Alioramus, Algosaurus, Aliwalia, Alocodon, Altirhinus, Altispinax, Alvarezsaurus, Apatosaurus, Alwalkeria, Alxasaurus, Amargasaurus, Ammosaurus, Ampelosaurus, Amphicoelias, Amtosaurus, Amphisaurus, Amygdalodon, Amurosaurus, Anchisaurus, Anatosaurus, Anatotitan, Anchisauripus, Anchiceratops, Andesaurus, Angaturama, Anodontosaurus, Anomoepus, Anoplosaurus, Anserimimus, Antarctosaurus, Apatodon, Aragosaurus, Aralosaurus, Araucanoraptor, Archaeoceratops, Archaeoraptor, Archaeornithoides, Archaeornithomimus, Archillobator, Argentinosaurus, Arctosaurus, Arkansaurus, Argyrosaurus, Arrhinoceratops, Arstanosaurus, Asiaceratops, Asiatosaurus, Atlascoposaurus, Atlantosaurus, Astrodon, Atreipus, Aublysodon, Austrosaurus, Avaceratops, Avimimus, Avipes, and Azendosaurus.