drawing of shell, with strongly developed caudal parts, in ventral and lateral view
drawing of shell outline in ventral view
three details of the rib pattern, SEM photo
ventral photo of detail of shell surface
lateral rib of shell, SEM photo
base, ventral rib, SEM of shell surface
protoconch I to show striation difference between protoconch I and II
ribs of the protoconch I (left) and II (right), SEM photo
distribution map