prorhipidoglossomorpha

\\prōˌripədōˌgläsəˈmȯrfə\ noun plural

Usage: capitalized

Etymology: New Latin, from pro- (I) + Rhipidoglossa + -o- + -morpha

in some classifications : a primary division of Mollusca including the classes Gastropoda, Scaphopoda, and Lamellibranchia