tectibranch

/ (ˈtɛktɪˌbræŋk) /

noun

a mollusc of the suborder Tectibranchia (or Tectibranchiata) (order: Opisthobranchia) which includes the sea slugs and sea hares

Word Origin for tectibranch

C19: New Latin, from tectus covered, from tegere to cover + branchia: see -branch