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more about ichthyosauri
ichthyosauri |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Ichthyosaurus \Ich`thy*o*sau"rus\, n.; pl {Ichthyosauri}. [NL., fr Gr 'ichqy`s, -y`os, a fish + say^ros a lizard.] (Paleon.) An extinct genus of marine reptiles; -- so named from their short, biconcave vertebr[ae], resembling those of fishes. Several species, varying in length from ten to thirty feet, are known from the Liassic, O["o]litic, and Cretaceous formations.
more about ichthyosauri
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