Semaeostomeae

plural noun

Sem·​ae·​o·​sto·​me·​ae

: an order of Scyphozoa comprising jellyfishes that have large mouths with four lips and large tentacles at the margin of the umbrella

Word History

Etymology

New Latin, from Greek sēmaia, sēmeia standard, token + New Latin -stomeae (from -stoma)

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