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.
The term vertebrae simply imply the plural form of vertebra. In other words, all the vertebral bones together form the vertebrae or the backbone of a vertebrate animal. The backbone has five regions known as Cervical, Thoracic, Lumbar, Sacral, and Coccygeal from anterior to posterior.