释义 |
car·poi·dea \kärˈpȯidēə\ noun plural Usage: capitalized Etymology: New Latin, from carp- (I) + -oidea : a small class (formerly an order of Cystoidea) of widely distributed Paleozoic echinoderms having a movable tail or stalk, a bilaterally compressed body, and no evident traces of radial symmetry |