preceded by preceded_by schistosomulum 3 hr schistosomulum 24 hr schistosomulum 2016-08-16T08:56:23Z 24 hr somule jl16 A tailless cercarium of Schistosoma sp, 24 hours post-infection by skin penetration of the definitive host. WBls:0000725 worm_development OPL:0000172