Phragmomphalina tenuiseptum is a species of sea snail, a marine gastropod mollusk in the family Solariellidae.[2]
The diameter of the shell attains 17 mm.
This marine species is endemic to New Zealand and occurs off the Three Kings Rise at depths between 780 m and 790 m.
Phragmomphalina tenuiseptum is a species of sea snail, a marine gastropod mollusk in the family Solariellidae.