 Cleotrivia pilula (Kiener, 1844) |  Purpurcapsula exigua (J. E. Gray, 1831) |  Purpurcapsula zzyzyxia (C. N. Cate, 1979) |
 Trivellona pellucidula (Reeve, 1846) |  Trivia sp. 101338 |  Trivirostra ginae Fehse & Grego, 2002 |
 Trivirostra hordacea (Kiener, 1843) |  Trivirostra insularum Schilder, 1944 |  Trivirostra keehiensis Cate, 1979 |
 Trivirostra shawi Schilder, 1933 |  Trivirostra thaanumi Cate, 1979 | |