Quinnia patula is a species of extremely small deep water sea snail, a marine gastropod mollusk in the family Seguenziidae.

[2][3] The white, thin, umbilicate, and depressed shell is markedly broader (8.35 mm) than high (5.65 mm).

It is translucent nacreous.

This marine species occurs off New Caledonia and New Zealand at depths of about 1,800 m.

This Seguenziidae-related article is a stub.