Shell narrowly drilliiform, acute; whorls ca. 8.5+ weakly convex, strongly channeled; sculptured by 6 heavy axial ribs which are in slightly retractive alignment down the spire, and are traversed without nodulation by the weaker (although still strong and interchanneled) spiral cords, of which 4 are intersutural and ca. 17 on the last whorl. Aper ture long, narrow, contracting gradually below to form the long open canal; outer lip thin, buttressed, yet hardly crenated, by the spiral cords, a series of ca. 9 short ridge-like denticles set rather deeply within; columella faintly sigmoid, bearing near its midpoint 2 well immersed ascending plates, the upper one the heavier. Anal notch widely open, shallow, adnate to suture, the lip slightly reflected around it. Periostracum thin, brown, somewhat scurfy, persistent. Alt. 13.6+, max. diam. 3.2, alt. aperture 5.8 mm.

Commentary: Dictyophlia is remarkable amongst all turrids known to me for the double plication of the pillar, which seems to leave it without a known near relative anywhere. Both radula and operculum, if present, should there fore be of significant interest to investigate.

The new generic name is from the Gr. dv, two, + ptyx, fold, + phlia, doorpost, and refers to the biplicate pillar.