Stetsonia F. L. Parker 1954

Stetsonia is a genus of Foraminifera with five species.

Test small, circular in outline, biconvex, trochospiral in the early stage, later becoming bi-involute and nearly planispiral, nine to ten chambers in the final whorl, sutures curved back at the periphery, depressed, periphery rounded; wall calcareous, optically radial, thin, finely perforate, surface smooth; aperture a narrow interiomarginal slit extending to the top of the gently curved apertural face and tending to slant toward one face of the test, bordered by a narrow rim. Holocene; Gulf of Mexico; Arctic Ocean. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification)