Obliquaria reflexa shell description:

 “Shell irregularly oval, inflated, solid, inequilateral, with rather high, full beaks, which are turned forward over a small lunule, their sculpture consisting of three or four coarse, oblique ridges; posterior ridge well developed; sculpture with a central radial row of four or five strong, longitudinally compressed knobs, and besides these there are occasional slight corrugations or wrinkles; epidermis generally smooth and subshining, yellowish-green, usually covered with delicate, wavy, more or less broken rays, often uncolored.  Sometimes these rays consist of small dots and again of arrow-head markings; posterior end of shell obliquely truncate above; left valve with two ragged, radial, stumpy pseudocardinals and two slightly curved laterals; right valve with one triangular pseudocardinal, often with a vestigial tooth on each side of it, and one double lateral; muscle scars small, the anterior ones rough; beak cavities shallow; nacre white, straw-colored, salmon or reddish, much thicker in front. Male and female shells scarcely differing  ”(Simpson, 2014; Mather, 2007).