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.
Hypernyms (skull is a kind of...): bone; os (rigid connective tissue that makes up the skeleton of vertebrates) Meronyms (parts of skull): craniometric point (a landmark on the skull from which craniometric measurements can be taken)