Bibliotheca Lichenol. 74: 175 (2000).
Protolog: Thallus corticolus, crustaceus, leviter verruculosus, flavus, 3-4 cm latus, nigre limitatus, KOH-, UV+ roseus. Apothecia sessilia, usque ad 0,8(1,0) mm in diametro, nigra, flave pruinosa, plana vel convexa; margo mediocriter crassus. Excipulum 50-70 µm latum, carbonaceum, in medio clarium, flave pigmentatum, KOH+ violaceum. Hypothecium atrofuscum ad carbonaceum. 120-140 µm altum. Hymenium 80-100 µm altum, inspersum; epihymenium auro-cinereum, granulosum. Paraphyses simplices vel furcatae, 1,5-1,7 µm crassae; capita 2,5-3 µm crassa, tenuiter fusce pigmentata. Asci 8-spori. Sporae uniseptatae, fuscae vel fusco-olivaceae vel ovlivaceo-cinereae, (14)15-17(20) x 6-8 µm; superficies mediocriter grosse ornata; paries apicalis incrassatus. Materia chimica: arthothelinum, 6-O-methylarthothelinum, acidum norsticticum.
Protolog type data: Holotypus: Neukaledonien: Grande Terre: Province Nord, Ostküste, Strand von Lindéraligue, wenige km SE von Hienghène, in einer Mangrove aus Rhizophora spec., 20°42'S, 164°57'E, 2 msm. VIII. 1994; K. & A. Kalb 27433 (KALB).
Type locality: France, New Caledonia, North Province, Grande Terre, Eastcoast, Strand von Lindéraligue, wenige km SE von Hienghène, in einer Mangrove aus Rhizophora spec., 2 m, August 1994, K. & A. Kalb 27433 (Kalb - holotype).
Type locality coordinates: 20°42'S, 164°57'E.
Thallus: 3-4 im Durchmesser, gelb, leicht warzig, stark rissig, 60-70 µm dick, KOH+ gelb, UV+ orange; obere und untere Rinde 15-20 µm dick; Rand schwarz. Apothecien bis 0,8(1,0) mm im Durchmesser, sitzend, flach oder gewölbt; Rand mäßig breit; Diskus .
Photobiont: Data lacking.
Chemistry: Arthothelin, 6-O-methylarthothelin, traces of norstictic acid (Marbach 2000: 176).
Ecology: On bark.
Distribution type: Tropical (Marbach 2000: 176), known only from two New Caledonia islands.
Taxonomy: Data lacking.
Note: The species was described from the islands Grande Terre and Lifou (New Caledonia).