Streptocionella singularis
Streptocionella singularis is a species of minute sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. Description
The length of the shell measures 3.8 mm. Distribution
This marine species occurs off the South Georgia Islands in the southern Atlantic Ocean. References

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Pyramidellidae
Gastropods described in 1886