 Yu-Cheng Dai and colleagues treated "Pachykytospora" as a synonym of "Haploporus" in a 2002 publication.The fruit bodies of "Pachykytospora" species are resupinate-adnate or have stunted, nodule-like caps.The pore surface is white, pallid, brown or has pinkish-violet tinges, while the pores measure 2 to 5 per millimetre.