Describer

(Marsh, 1877) - von Huene, 1906

Time

Jurassic Late Kimmeridgian Tithonian

Classification

Saurischia Sauropodomorpha Sauropoda Diplodocidae Nomina Dubia

Diet

Herbivore

Fossilsite

Morrison Formation, Colorado, US

Fall Under

Atlantosaurus

Length

23 meter

Info

Typespecies

Atlantosaurus (Marsh, 1877) > Atlantosaurus montanus (Marsh, 1877) - von Huene, 1906 >> Titanosaurus montanus (Marsh, 1877) - Lydekker, 1877 >>> Apatosaurus montanus (Marsh, 1877) >>> Brontosaurus montanus (Marsh, 1877) - Kuhn, 1965

2 1/2 sacral centra Atlantosaurus montanus, originally named Titanosaurus montanus, musn\\\'t confuse with titanosaurids. Marsh\\\'s 1877 genus Titanosaurus montanus was preoccupied by Lydekker\\\'s Titanosaurus indicus (the typical titanosaurid), proposed a few months earlier in 1877. That\\\'s the only connection between Atlantosaurus and titanosaurids. The type sacrum of Atlantosaurus montanus is indeterminate but probably belonged to an Apatosaurus.