[1] It was first studied by a group of researchers consisting of Selena Smith, Randolph Currah and Ruth Stockey, all from the University of Alberta.

[1] The generic epithet Appianoporites was coined from a combination of Appian in reference to the type locality and "porites" to reflect that it is a polypore fungus.

Cryptodidymosphaerites princetonensis and Palaeoserenomyces allenbyensis were the first fossil fungi to be described from British Columbia, known only from the Early Eocene Allenby Formation near Princeton, B.C.

[1] The specimen was studied by cutting the calcareous nodule into slices with a rock saw and using the cellulose acetate peel technique to create slides that were examined under stereo microscope.

[1] Though a number of polypore fungi groups Appianoporites is placed in Hymenochaetaceae based on the structure of the poroid hymenophore, the presence of setae and monomitic hyphal system lacking clamp connections.