Eucithara fusiformis is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.
[1] The length of the shell varies between 12.7 mm and 16.3 mm.
The shell is yellowish white, stained or interruptedly fasciated with orange-brown.
The outer lip has 13-14 teeth, the inner lip 17-18.
[2] This marine species occurs off the Philippines and Vanuatu.