[1] It was first studied by a group of researchers consisting of Randal Mindell, Randolph Currah and Ruth Stockey, from the University of Alberta and Graham Beard of the Vancouver Island Paleontology Museum, Qualicum Beach, British Columbia.

[1] The generic epithet Margaretbarromyces was coined from a recognition of Margaret Barr for here research on the loculoascomycete fungi and "myces" to reflect that it is a 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.

[3] Quatsinoporites cranhamii a Cretaceous age agaricomycete from the western coast of Vancouver Island and Appianoporites vancouverensis, also from the Appian Way site, were described in the same 2004 paper.

[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.