Reptilia - Ichthyosauria - Utatsusauridae
Full reference: C. McGowan and R. Motani. 2003. Handbuch der Palaoherpetologie / Encyclopedia of Paleoherpetology Teil 8 / Part 8 Ichthyopterygia. 1-175
Parent taxon: Ichthyosauria according to M. W. Maisch 2010
See also Carroll 1988 and McGowan and Motani 2003
Sister taxa: Baracromia, Cetarthrosaurus, Ghuizhouichthyosaurus, Grippiidae, Guanlingichthyosaurus, Hueneosauria, Ichthyosauroidea, Ichthyosaurus australis, Ichthyosaurus polyptychodon, Ichthyosaurus strombecki, Isfjordosaurus, Latipinnatoidea, Longipinnatoidea, Mixosauria, Naanchangasaurus, Omphalosauridae, Parvinatatoridae, Parvipelvia, Pessosaurus, Proteosauridae, Quasianosteosauridae, Rachitrema, Shastosauroidea, Sphaerodontes, Stenopterygius grandis, Thaisauridae, Thunnosauria
Subtaxa: Utatsusaurus
Ecology: nektonic carnivore
Distribution:
• Triassic of Canada (2: British Columbia collections), Japan (2), United States (1: Nevada)
Total: 5 collections each including a single occurrence