 | Isognomon bicolor Adams, 1845 size: mm ? distribution: Marchesi type: | cat note: your note: |
 | Isognomon isognomum Linnaeus, 1758 size: mm ? distribution: Marchesi Tuamotu Società type: | cat note: your note: |
 | Isognomon legumen Gmelin, 1791 size: mm ? distribution: unknown type: | cat note: your note: |
 | Isognomon nucleus (Lamarck, 1819) size: mm 11 distribution: Marchesi Tuamotu Società type: | cat note: 0415 CdP B. Salvat and C.Rives your note: |
 | Isognomon pectinata (Reeve, 1858) size: mm 15 distribution: Tuamotu Società type: | cat note: 0414 CdP B. Salvat and C.Rives your note: |
 | Isognomon sulcata (Lamarck, 1819) size: mm 54 distribution: Tuamotu Società type: | cat note: 0413 CdP B. Salvat and C.Rives your note: |