Amargatitanis
Amargatitanis is a genus of dicraeosaurid sauropod dinosaur from the Barremian-age La Amarga Formation of Neuquén, Argentina.Classification
The holotype, MACN PV N53, which was collected in March 1983 by José Fernando Bonaparte, consists of two tail vertebrae, a right ischium, and a partial right hindlimb. Although classified as a titanosaur in the original description, the titanosaur placement of Amargatitanis was subsequently questioned by later authors, who noted that a scapula and six tail vertebrae seen as syntypes of Amargatitanis were found at a different locality than MACN PV N53 and that putative titanosaur characters of the genus were invalid. A 2016 re-evaluation by Pablo Ariel Gallina reclassified Amargatitanis as a dicraeosaurid.
