My go to quick-keto method is a coconut oil and cream fast. Basically just coffee, cream, and coconut oil for a day, top the day off with a bout of heavy weights before bed, tons of water, and I'm in ketosis in a day or 2.
Some well known gastropods, which are mollusks, are snails and slugs, and they exhibit what is known as BILATERAL SYMMETRY. The only other kind of symmetry that exists in the animal kingdom, with the exception of colonial species such as the sponge, is RADIAL SYMMETRY.
Additionally, two groups of cnidarians, corals and sea anemones, exhibit six-or eight-fold symmetry. These types of symmetry are referred to as hexamerism and octamerism, respectively. It should be noted that cnidarians are not the only animals to exhibit radial symmetry. The echinoderms also display radial symmetry.