confervite|kənˈfɜːvaɪt| [f. as prec. + -ite.] A fossil plant, allied to Conferva, found chiefly in the Chalk. [1844Mantell Medals Creation I. 104 Confervites.—These cellular and aquatic plants are found sometimes in transparent quartz pebbles, and in chalk.]1859–65in Page Handbk.Geol. Terms.