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pterodactyli |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pterodactyli \Pter`o*dac"ty*li\, n. pl [NL.] (Paleon.) Same as {Pterosauria}. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pterosauria \Pter`o*sau"ri*a\, n. pl [NL.] (Paleon.) An extinct order of flying reptiles of the Mesozoic age; the pterodactyls; -- called also {{Pterodactyli}}, and {{Ornithosauria}}. Note: The wings were formed, like those of bats, by a leathery expansion of the skin, principally supported by the greatly enlarged outer or `` little'' fingers of the hands. The American Cretaceous pterodactyls had no teeth. See {Pteranodontia}, and {Pterodactyl}.