 Purpurcapsula polynesiae (C. N. Cate, 1979) |  Trivirostra akroterion Cate, 1979 |  Trivirostra bocki Schilder & Schilder, 1944 |
 Trivirostra cf. bocki Schilder & Schilder, 1944 |  Trivirostra corrugata (Pease, 1868) |  Trivirostra edgari (Shaw, 1909) |
 Trivirostra insularum Schilder, 1944 |  Trivirostra oryza (Lamarck, 1810) |  Trivirostra scabriuscula (Gray, 1827) |
 Trivirostra shawi Schilder, 1933 |  Trivirostra spioinsula C. N. Cate, 1979 | |