Hatcher in 1901. It was reconsidered as the type species for Diplodocus. Diplodocus hallorum, first described in 1991 by Gillette as Seismosaurus halli...

A. ajax and A. louisae differ in twelve characters, and Diplodocus carnegiei and D. hallorum differ in eleven characters. Thus, thirteen characters were...

longest animals of all time, including slender giants like Supersaurus, Diplodocus, Apatosaurus, and Amphicoelias. Most had very long necks and long, whip-like...

longest sauropods, with some species such as Supersaurus vivianae and Diplodocus hallorum estimated to have reached lengths of 30 meters (98 ft) or more. The...

individuals. The same study found the age of a 33 meters (108 ft) Diplodocus hallorum to be 60 years old, which makes it among the oldest known dinosaurs...

exceptionally long, whip-like tails, such as the 29–30 m (95–98 ft) Diplodocus hallorum (formerly Seismosaurus) and the 39 m Supersaurus. In 2014, the fossilized...

Seismosaurus was later re-categorized as a new species of Diplodocus, and renamed Diplodocus hallorum: while the specimen Gillette described was indeed of...

than Diplodocus, but plesiomorphic features also present conclude that they branched separately and Dinheirosaurus is not the descendant of Diplodocus. A...

Apatosaurus and Brontosaurus had a Diplodocus-like skull. According to them, many skulls long thought to belong to Diplodocus might instead be those of Apatosaurus...

gigantic diplodocids (or likely diplodocids) had appeared, including Diplodocus hallorum (formerly Seismosaurus), Supersaurus vivianae, Amphicoelias altus...

Barosaurus as they were in Diplodocus. In contrast to its neck vertebrae, Barosaurus had shorter caudal (tail) vertebrae than Diplodocus, resulting in a shorter...

on growing. Ultimately the largest sauropods, like Supersaurus, Diplodocus hallorum, Patagotitan, and Argentinosaurus, reached 30–40 metres (98–131 ft)...

Sauropoda Apatosaurus louisae (h) Barosaurus lentus Camarasaurus lentus Diplodocus hallorum Uintasaurus douglassi (h) (now Camarasaurus lentus) Ornithischia...

the other largest diplodocoids such as Supersaurus vivianae and Diplodocus hallorum. Also based on Limaysaurus, the complete femur was estimated to have...

to 131 ft); some of the longest were the 33.5-meter (110 ft) long Diplodocus hallorum (formerly Seismosaurus), the 33-to-34-meter (108 to 112 ft) long...

Amphicoelias and Diplodocus, as well as a few key differences, such as proportionally longer forelimbs in Amphicoelias than in Diplodocus. The femur of Amphicoelias...

Diplodocus carnegii Diplodocus hallorum...

referred to Diplodocus by William Jacob Holland when he described its braincase. The specimen was classified by Holland as a new species of Diplodocus, Diplodocus...

name, which means "small beam", combines a reference to the related form Diplodocus with a Crow Indian diminutive suffix ~kaate. The specific name honours...

the subfamily include Tornieria, Supersaurus, Leinkupal, Galeamopus, Diplodocus, and Barosaurus. Cladogram of the Diplodocidae after Tschopp, Mateus,...

Deinocheirus (unidentified) Deinonychus Dilophosaurus Diplodocus carnegii Diplodocus hallorum (mentioned, identified as its synonym Seismosaurus) Dromaeosaurus...

Opposition against the proposed designation of Diplodocus carnegii Hatcher, 1901 as the type species of Diplodocus Marsh, 1878 (Dinosauria, Sauropoda)". The...

 259–322. ICZN. (2018). "Opinion 2425 (Case 3700) – Diplodocus Marsh, 1878 (Dinosauria, Sauropoda): Diplodocus longus Marsh, 1878 maintained as the type species"...

Carnegie Quarry, it has been found to coexist with Apatosaurus louisae, Diplodocus hallorum, Barosaurus, Stegosaurus, Dryosaurus elderae, Camptosaurus aphanoecetes...

locality for genus – informal †Diplodocus †Diplodocus carnegii – type locality for species †Diplodocus hallorum †Diplodocus longus †Discoscaphites †Docodon...

†Dinosauropodes wilsoni †Diplochilus – tentative report †Diplodocus †Diplodocus hallorum †Diplodocus longus Discinisca – report made of unidentified related...

locality for genus †Dinochelys – type locality for genus †Diplodocus †Diplodocus hallorum †Diplodocus longus Discinisca – report made of unidentified related...

†Didymoceras cheyennense †Didymoceras nebrascense †Diplodocus †Diplodocus carnegii †Diplodocus hallorum †Dolabrosaurus – type locality for genus †Dolabrosaurus...

†Diplocraterion †Diplodocinae †Diplodocus †Diplodocus carnegii – type locality for species †Diplodocus hallorum †Diplodocus longus †Discoscaphites †Docodon...

†Dinochelys †Dinochelys whitei †Diplodocus – type locality for genus †Diplodocus lacustris – type locality for species †Diplodocus longus – type locality for...