Synonyms: Ichthyosaurus chiroligostinus Hawkins 1834, Ichthyosaurus giganteus Leach 1840, Ichthyosaurus lonchiodon Owen 1840
Full reference: W. D. Conybeare. 1822. Additional notices on the fossil genera Ichthyosaurus and plesiosaurus. Transactions of the Geological Society of London, Series 2 1:103-123
Belongs to Ichthyosaurus according to W. D. Conybeare 1822
Sister taxa: Ichthyosaurus acutirostris, Ichthyosaurus breviceps, Ichthyosaurus carinatus, Ichthyosaurus communis, Ichthyosaurus conybeari, Ichthyosaurus entheciodon, Ichthyosaurus enthekiodon, Ichthyosaurus hercnyicus, Ichthyosaurus indicus, Ichthyosaurus intermedius, Ichthyosaurus latimanus, Ichthyosaurus polyptychodon, Ichthyosaurus rheticus, Ichthyosaurus tenuirostris, Ichthyosaurus trigonodon, Protoichthyosaurus prostaxalis, Protoichthyosaurus prosostealis
Ecology: nektonic carnivore