"Medusiform person (Sarsia), one of the Anthomedusae, detached from a hydroid colony of the family Corynidae. b, the long manubrium, bearing (as an exception) medusiform buds; a, mouth." — Encyclopedia Britannica, 1893

Sarsia

"Medusiform person (Sarsia), one of the Anthomedusae, detached from a hydroid colony of the family Corynidae.…