Genus
Extinct

Ultrasauros

subjective synonym of Supersaurus
Olshevsky 1991
This taxon is considered subjective synonym of of the valid taxon Supersaurus according to the Paleobiology Database. See the page for Supersaurus →
Bibliography
Original description
G. Olshevsky. 1991. A revision of the parainfraclass Archosauria Cope, 1869, excluding the advanced Crocodylia. Mesozoic Meanderings 2:1-196