ichthyosaur

English Thesaurus

1. any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs (noun.animal)

hypernym	:	archosaur, archosaurian, archosaurian reptile,
definition	:	extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts (noun.animal)

hyponym	:	ichthyosaurus,
definition	:	ichthyosaurs of the Jurassic (noun.animal)

hyponym	:	stenopterygius, stenopterygius quadrisicissus,
definition	:	an ichthyosaur of the genus Stenopterygius (noun.animal)

member meronym	:	ichthyosauria, order ichthyosauria,
definition	:	extinct marine reptiles: ichthyosaurs (noun.animal)