[D] Astrodon altus
Cretaceous Early Hauterivian Barremian
Saurischia Sauropodomorpha Sauropoda Titanosauria Incertae Sedis
Arundel Formation, Prince Georges County,, Maryland, US
Astrodon (Johnston, 1859) (= Astrodonius, Kuhn, 1961 / Astrodontaurus Johnston, 1858 vide Kranz, 2004) > Astrodon johnstoni (Leidy, 1865) > Astrodon nanus (Gilmore, 1921) >> Pleurocoelus nanus (Marsh, 1888) Astrodon johnstoni (Leidy, 1865) > Astrodon altus (Gilmore, 1921) >> Pleurocoelus altus (Marsh, 1888)
USNM 497, appeared in the literature mostly under the name of Astrodon. The type material from Prince Georges County was collected on November 21, 1887 by Hatcher and Linthicum and consists of a partial tibia and fibula. The original description was by Marsh in the American Journal of Science, volume 35, page 92, in 1888, where he referred this species to the previously named genus \\\"Astrodon\\\".
The original Type of Astrodon consists of three teeth from the Arundel Formation that are housed in the Yale Peabody Museum collections, in New Haven, Connecticut.