ichthyosaurus

Borrowed from translingual Ichthyosaurus, equivalent to ichthyo- +‎ -saurus.

• IPA^(key): /ˌɪkθiəˈsɔːɹəs/

ichthyosaurus (plural ichthyosauri)

1. (archaic) Alternative form of ichthyosaur.
   • 1899 February, Joseph Conrad, “The Heart of Darkness”, in Blackwood’s Edinburgh Magazine, volume CLXV, number M, New York, N.Y.: The Leonard Scott Publishing Company, […], →OCLC, part I, page 219:

     A deadened burst of mighty splashes and snorts reached us from afar, as though an ichthyosaurus had been taking a bath of glitter in the great river.

2. Any members of the genus Ichthyosaurus.