Holotype: Shell small, tan with a slightly darker band below the periphery, with occasional darker flecking on the cording of the upper part of the whorl; whorls rounded, suture impressed; length of aperture nearly 1/2 the length of the shell. Protoconch of 1,5 smooth, bulbous whorls, tip small and lateral; postnuclear whorls 5. Axial ribs strong, rounded, 10 on early and later whorls, tending to be continuous from whorl to whorl and extending from suture to suture, fading on the base and obsolete upon the pillar, obsolete on the back of the last whorl; spiral cords 4 per whorl, the uppermost undulating and close to the suture, the lower 2 the most prominent, cords overriding the axial ribs; base and pillar with 11 additional cords. Columella with 2 strong plicae, the uppermost the strongest; lip not thickened (lip edge broken back on holotype), strongly lirate within; anterior canal not differentiated from aperture, unmatched. Height, 4.7, diameter, 2.1 mm.
DESCRIBED AS Cymakra baileyi

Cymakra (= Mitromorpha) baileyi has stronger axial ribbing than other eastern Pacific members of the genus. It is closest to C. intermedia (Arnold, 1903), a species described as a Pleistocene fossil but now known to be living off southern California, a much larger species with more numerous and weaker axial ribs.

Tropical Eastern Pacific. Mexico. Type Locality: Off Cape San Lucas, Baja California.