Antithamnion subcorticatum Itono, 1969: 40–42, fig. 7 (type locality: Yoron-shima, Okinawa-gunto, Japan).
Balliella subcorticata (Itono) Itono & T. Tanaka, 1973: 250.—Wollaston, 1984: 285–286, figs. 12, 13.
INDIAN OCEAN DISTRIBUTION: Mozambique.