†superfamily Longipinnatoidea Huene 1923 (ichthyosaur)
Alternative spelling: Longipinnatidae
Parent taxon: Ichthysauria according to O. Kuhn 1946
Sister taxa: Baracromia, Cetarthrosaurus, Ghuizhouichthyosaurus, Grippiidae, Guanlingichthyosaurus, Hueneosauria, Ichthyosauroidea, Ichthyosaurus australis, Ichthyosaurus polyptychodon, Ichthyosaurus strombecki, Isfjordosaurus, Latipinnatoidea, Mixosauria, Naanchangasaurus, Omphalosauridae, Parvinatatoridae, Parvipelvia, Pessosaurus, Proteosauridae, Quasianosteosauridae, Rachitrema, Shastosauroidea, Sphaerodontes, Stenopterygius grandis, Thaisauridae, Thunnosauria, Utatsusauridae
Subtaxa: none
Ecology: nektonic carnivore
Distribution: there are no occurrences of Longipinnatoidea in the database