Complex sentence: The common name "turban snail" refers to the shell's similarity in appearance to a turban whereas "Turbinidae" is based on the genus name "Turbo", which is Latin for "spinning top", a child's toy.
Split into simpler sentences: The common name "turban snail" presumably refers to the shell's similarity in appearance to a turban. However, the scientific name "Turbinidae" is based on the genus name "Turbo", which is Latin for "spinning top", a child's toy.