Avrainvillea riukiuensis Yamada, 1932: 267–268, fig. 1, pl. III (type locality: Nawa, Ryukyu-retto, Japan).—Olsen-Stojkovich, 1985: 44, fig. 23, pl. 9a.— Basson, Mohamed, & Arora, 1989: 29, fig. 5.— Basson, 1992: 220.
Taxonomic synonym:
* Avrainvillea gracillima Børgesen, 1940: 52–53, fig. 15, pl. II: fig. 2 (type locality: between Gunners Quoin and Flat Island, Mauritius).—Jagtap, 1993: table I.
INDIAN OCEAN DISTRIBUTION: Bahrain, Mauritius.
Note: The synonymy was proposed by Olsen-Stojkovich (1985: 44).