drawing of shell in oral view
different shells with variable development of the aperture 'teeth' and the soft parts
median tooth, SEM photo (after Richter)
lateral tooth, SEM photo (after Richter)
radula, with three median and five lateral teeth
shell of veliger in oral view, SEM photo
apical part of shell in detail, SEM photo
shell in dorsal view, SEM photo
spire in detail, SEM photo
shell in umbulical view, SEM photo
umbulicus in detail, SEM photo
distribution map