Current Name:Arthonia trilocularis Müll. Arg., Flora, Regensburg 64(15): 233 (1881)
Synonymy:Arthoniopsis trilocularis (Müll. Arg.) Müll. Arg., Lich. Epiph. Novi: 17 (1890)Santessonia trilocularis (Müll. Arg.) Bat. & J.L. Bezerra, Atas Inst. Micol. Univ. Recife 5: 383 (1967)
Position in classification:Arthoniaceae, Arthoniales, Arthoniomycetidae, Arthoniomycetes, Ascomycota, Fungi
Synonymy Contributor(s): Australian Lichen Checklist (2004); Checklist of Lichens of Australian and its Island Territories