ICHTHYOSAURUS

ichthyosaurus

(noun) ichthyosaurs of the Jurassic

Source: WordNet® 3.1


Etymology

Noun

ichthyosaurus (plural ichthyosauri)

(archaic) Alternative form of ichthyosaur

Any members of the genus Ichthyosaurus.

Source: Wiktionary


Ich`thy*o*sau"rus, n.; pl. Ichthyosauri. Etym: [NL., fr. Gr. 'ichqy`s, -y`os, a fish + say^ros a lizard.] (Paleon.)

Definition: An extinct genus of marine reptiles; -- so named from their short, biconcave vertebræ, resembling those of fishes. Several species, varying in length from ten to thirty feet, are known from the Liassic, Oölitic, and Cretaceous formations.

Source: Webster’s Unabridged Dictionary 1913 Edition



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