Nisiturris anfraconvex
Nisiturris anfraconvex is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies. References

 Robba E. (2013) Tertiary and Quaternary fossil pyramidelloidean gastropods of Indonesia. Scripta Geologica 144: 1-191

External links
 To Encyclopedia of Life
 To World Register of Marine Species

Pyramidellidae
Gastropods described in 2010