Associations to the word «Sauropterygia»

Wiktionary

SAUROPTERYGIA, proper noun. A taxonomic superorder within the class Reptilia   — extinct taxon of aquatic reptiles that developed from terrestrial ancestors soon after the end-Permian extinction and flourished during the Mesozoic before they became extinct at the end of that era. They are united by a radical adaptation of their pectoral girdle, designed to support powerful flipper strokes.

Dictionary definition

SAUROPTERYGIA, noun. Extinct marine reptiles: plesiosaurs; nothosaurs.

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats