Calliotropis concavospira is a species of sea snail, a marine gastropod mollusk in the family Eucyclidae.
Description The shell can grow to be 9 mm.
Distribution This marine species occurs off Papua New Guinea, Timor, and Indonesia.
References
Vilvens C. (2007) New records and new species of Calliotropis from Indo-Pacific. Novapex 8 (Hors Série 5): 1–72.