There are total 13 letters in Semaeostomata, Starting with S and ending with A.
Total 285 words created by multiple letters combination of Semaeostomata in English Dictionary.
Definition of the word Semaeostomata, Meaning of Semaeostomata word :
n. pl. - A division of Discophora having large free mouth lobes. It includes Aurelia, and Pelagia. Called also Semeostoma. See Illustr. under Discophora, and Medusa.