Oenopota elongata
Oenopota elongata is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Description
The length of the shell attains 8 mm. Distribution
This species occurs in the Sea of Japan

References

 Bogdanov, IP. "7 New Species of Subfamily Oenopotinae from the Okhotsk Sea." Zoologichesky Zhurnal 68.11 (1989): 147–152. External links
 

elongata
Gastropods described in 1989