The name sea slug is most often applied to nudibranchs, as well as to a paraphyletic set of other marine gastropods without obvious shells. sea cucumber also looks slug-like and is sometimes loosely called a sea slug, but it is not a gastropod. Sea slug is a common name which is applied to some marine invertebrates that more or less resemble terrestrial slugs.
Clue: Vertebrae formations. Vertebrae formations is a crossword puzzle clue that we have spotted 3 times. There are related clues (shown below). Referring crossword puzzle answers. Likely related crossword puzzle clues.
Back-formation is either the process of creating a new lexeme (less precisely, a new word) by removing actual or supposed affixes, or a neologism formed by such a process. Back-formations are shortened words created from longer words, thus back-formations may be viewed as a sub-type of clipping.