a. Zool. [f. mod.L. Unio UNIO: see -(I)FORM.] Belonging to or resembling the Unionidæ; unionoid.
1868. R. Tate, App. to Woodward’s Mollusca, 71. Anthracosia differs from Unio, to which genus the majority of the Unioniform shells have been referred.
a. Zool. [f. mod.L. Unio UNIO: see -(I)FORM.] Belonging to or resembling the Unionidæ; unionoid.
1868. R. Tate, App. to Woodward’s Mollusca, 71. Anthracosia differs from Unio, to which genus the majority of the Unioniform shells have been referred.
