Diplodocus is an extinct genus o diplodocid sauropod dinosaurs whase fossils war first discovered in 1877 bi S. W. Williston.

Diplodocus
Temporal range: Late Jurassic, 154–152 Ma
Moontit D. carnegii holoteep skeleton at the Carnegie Museum of Natural History.
Scientific classification e
Kinrick: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Saurischia
Suborder: Sauropodomorpha
Faimily: Diplodocidae
Subfaimily: Diplodocinae
Genus: Diplodocus
Marsh, 1878
Teep species
Diplodocus longus
nomen dubium
Marsh, 1878
Ither Species
  • D. carnegii
    Hatcher, 1901
  • D. hallorum
    (Gillette, 1991)
    (oreeginally Seismosaurus)
Synonyms

Seismosaurus Gillette, 1991