YPM 1860

Apatosaurus axia
(Holotype)

Marsh, 1877

Jefferson Co., Colorado

Jurassic, Morrison Fm.

SVP

10 CM

SVP

YPM 1860

Apatosaurus axia
(Holotype)

Marsh, 1877

YPM 1860
Apatosaurus axaj
(Holotype)

Marsh, 1877

Jefferson Co., Colorado

Jurassic, Morrison Fm.

10 CM

SVP

YPM 1860

Apatosaurus axaj
(Holotype)

Marsh, 1877

Jefferson Co., Colorado

Jurassic, Morrison Fm.

10 CM

SVP

SVP