what chord is represented by the greek "phi' symbol

colorado_hick

I am trying to work up a GJ version of cheese cake (Dexter Gordon) out of a fake book of dubious origin, and it has a chord represented by a D, greek phi (circle with a vertical line), 7. I can not figure it out. I have seen greek-delta (triangle) 7 represent a major 7th before but never a PHI. Any ideas? The melody has a G in it. I uploaded the chart.
Thanks!!!
Jon

colorado_hick

nevermnd i figured it out. it is the half diminished, aka Dm7b5, aka Fm6/D

periclimenes

half diminished, which is the same thing as m7b5. any minor 6th voicing will work for it; any f minor 6 shape is enharmonic with d half diminished. it's hard to tell in the chart, but the line is supposed to be at an angle, instead of straight up and down.