mosasaurian
Mos"a*saur, Mos`a*sau"ri*an, n. (Paleon.) Defn: One of an extinct order of reptiles, including Mosasaurus and allied genera. See Mosasauria.
Mos"a*saur, Mos`a*sau"ri*an, n. (Paleon.) Defn: One of an extinct order of reptiles, including Mosasaurus and allied genera. See Mosasauria.