Full reference: R. Lydekker. 1888. Note on the classificaiton of the Ichthyopterygia (with a notice of two new species). Geological Magazine 5(7):309-314
Belongs to Ichthyosaurus according to M. W. Maisch 2010
Sister taxa: Ichthyosaurus acutirostris, Ichthyosaurus breviceps, Ichthyosaurus carinatus, Ichthyosaurus communis, Ichthyosaurus entheciodon, Ichthyosaurus enthekiodon, Ichthyosaurus hercnyicus, Ichthyosaurus indicus, Ichthyosaurus intermedius, Ichthyosaurus latimanus, Ichthyosaurus platyodon, Ichthyosaurus polyptychodon, Ichthyosaurus rheticus, Ichthyosaurus tenuirostris, Ichthyosaurus trigonodon, Protoichthyosaurus prostaxalis, Protoichthyosaurus prosostealis
Type specimen: BMNH 38523, a partial skeleton. Its type locality is Lyme Regis, Dorset, which is in a Sinemurian shallow subtidal siliciclastic in the United Kingdom.
Ecology: nektonic carnivore