Microdaphne morrisoni
Microdaphne morrisoni is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae. Description
The length of the shell varies between 2.5 mm and 3 mm. Distribution
This marine species was found off the Tuamotu Islands, Vanuatu, Papua New Guinea and the Philippines. References

 Severns, M. (2011). Shells of the Hawaiian Islands - The Sea Shells. Conchbooks, Hackenheim. 564 pp. External links
 Rehder H. A. (1980). The marine mollusks of Easter Island (Isla de Pascua) and Sala y Gómez. Smithsonian Contributions to Zoology. 289: 1-167, 15 figs, 14 pls. Gastropods.com: Microdaphne morrisoni

morrisoni
Gastropods described in 1980