Asperococcus fastigiatus Zanardini forma major Reinbold, 1901: 194 (type locality: near Laem Ngob, Ko Chang Archipelago, Thailand).
Rosenvingea fastigiata (Zanardini) Børgesen forma major (Reinbold) Egerod, 1974: 152, figs. 86–89.—Velasquez & Lewmanomont, 1975: 10 (without designation of forma).
INDIAN OCEAN DISTRIBUTION: Thailand.