Current Name:Tetrapyrgos olivaceonigra (E. Horak) E. Horak, Sydowia 39: 102 (1987)
Synonymy:Pterospora olivaceonigra E. Horak, Sydowia 36: 131 (1983)Tetrapyrgos olivaceonigra (E. Horak) E. Horak, Sydowia 39: 102 (1987)Campanella olivaceonigra (E. Horak) T.W. May & A.E. Wood, Mycotaxon 54: 149 (1995)
Position in classification:Marasmiaceae, Agaricales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi