| |Late Triassic|Map|Early Jurassic|Map|Middle Jurassic|Map|Late Jurassic|Map|Early Cretaceous|Map|Late Cretaceous|Map| |
| |Ca|No|Rh|He|Si|Pl|To|Aa|Ba|Ba|Ca|Ox|Ki|Ti|Be|Va|Ha|Ba|Ap|Al|Ce|Tu|Co|Sa|Ca|Ma| |
| Nomina Dubia | Misspelling | No Dinosaur | Inc. Sedis | Type species | Eggs | Skin | Sail | Skull | Genera |
|
Dinosaurs
A |
|
ASTRODON johnstoni
? |
| DESCRIBER | Leidy,1865 |
| TIME | Cretaceous
Early Hauterivian Barremian |
| CLASSIFICATION | Saurischia Sauropodomorpha Sauropoda Brachiosauridae |
| DIET | Herbivore |
| FOSSILSITE | Arundel Formation, Maryland, US |
| FALL UNDER | PLEUROCOELUS ? |
| LENGTH | |
| INFO | Pleurocoelus ? (Marsh, 1888) > Astrodon (Johnston,1859) Pleurocoelus > P. nanus (Marsh,1888) > P. altus (Marsh,1888) ?>> Astrodon johnstoni (Leidy,1865) >> P.valdensis (Lydekker,1889) |
