Synonyms: Ichthyosaurus chirostrongulostinus Hawkins 1834, Ichthyosaurus grandipes Sharpe 1830, Ichthyosaurus sinuatus Theodori 1854
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 R. Lydekker 1889
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 platyodon, Ichthyosaurus polyptychodon, Ichthyosaurus rheticus, Ichthyosaurus trigonodon, Protoichthyosaurus prostaxalis, Protoichthyosaurus prosostealis
Ecology: nektonic carnivore