Microgaza is a genus of sea snails, marine gastropod mollusks in the family Solariellidae.
The flattened shell is rotelliform, resembling a species from the genus Gaza without the reflected lip or umbilical callus. The shell is brilliantly nacreous when fresh. It has a distinctly scalariform umbilicus.
Species within the genus Microgaza include:
Microgaza corona Lee Y.C. & Wu W.L., 2001
Microgaza fulgens Dall, 1907
Microgaza katoi (Kuroda & Habe, 1961)
Microgaza konos Vilvens, 2009
Microgaza opalina (Shikama & Hayashi, 1977)
Microgaza rotella Dall, 1881
Microgaza vetula Woodring, 1928
Species brought into synonymy
Microgaza alabida (Marshall, 1979) accepted as Archiminolia alabida (B. A. Marshall, 1979)
Microgaza dawsoni (Marshall, 1979) accepted as Archiminolia dawsoni (B. A. Marshall, 1979)
Microgaza gotoi Poppe, Tagaro & Dekker, 2006: synonym of Ilanga gotoi (Poppe, Tagaro & Dekker, 2006)
Microgaza hurleyi (Marshall, 1979) accepted as Archiminolia hurleyi (B. A. Marshall, 1979)
Microgaza inornata Quinn, 1979: synonym of Microgaza rotella inornata Quinn, 1979
Microgaza iridescens (Habe, 1968): synonym of Archiminolia iridescens (Habe, 1961)
Microgaza norfolkensis Marshall, 1999; synonym of Ilanga norfolkensis (B. A. Marshall, 1999)
Microgaza ziczac Kuroda & Habe, 1971: synonym of Archiminolia ziczac (Kuroda & Habe, 1971)
