Cylichna thetidis is a species of sea snails or bubble snail, a marine opisthobranch gastropod mollusc in the family Cylichnidae, the chalice bubble snails or canoe bubble snails.
Cylichna thetidis is a species of sea snails or bubble snail, a marine opisthobranch gastropod mollusc in the family Cylichnidae, the chalice bubble snails or canoe bubble snails.