Phylum :
MolluscaClass :
GastropodaSubclass :
CaenogastropodaOrder :
[unassigned]CaenogastropodaSuperfamily :
CerithioideaFamily :
Planaxidae
Common name : planaxids or clusterwinks
Aspect : They have conical shells resembling periwinkles, except for the fact that they have wide, shallow anterior canals. Horny operculum.
Feeding :
Environment : rocky shores of tropical seas, coral gravels
Supplanaxis planicostatus (G. B. Sowerby I, 1825) (Subfamily Planaxinae)