Semaeostomata

‖n. pl. [ NL., fr. Gr. &unr_;&unr_;&unr_;&unr_; a military standard + &unr_;&unr_;&unr_;, &unr_;&unr_;&unr_;, mouth. ] (Zool.) A division of Discophora having large free mouth lobes. It includes Aurelia, and Pelagia. Called also Semeostoma. See Illustr. under Discophora, and Medusa. [ 1913 Webster ]