Ulmaridae
From The Scyphozoan
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Characteristics of the Family (from Kramp 1961)
Semaeostomeae with simple or branched radial canals and a ring-canal; with or without subgenital pits.
Characteristics of the Family (from Kramp 1961)
Semaeostomeae with simple or branched radial canals and a ring-canal; with or without subgenital pits.