Naamgeving
| Valid name | Arca |
| Synonym | Mesocybota Iredale, 1939 |
| Synonym | Arcopta Heilprin, 1887 |
| Synonym | Cyphoxis Rafinesque, 1819 |
| Synonym | Navicula de Blainville, 1825 |
| Synonym | Arcula Rafinesque, 1815 |
| Synonym | Noaetia Sacco, 1898 |
| Synonym | Byssoarca Swainson, 1833 maggio non Swainson, 1833 marzo |
| Synonym | Daphne Poli, 1791 |
| Synonym | Arcaria Rafinesque, 1815 |
| Synonym | Tetrarca Nordsieck, 1969 |
| Synonym | Cibota Mørch, 1853 non Herrmannsen, 1852 |
| Synonym | Daphnoderma Poli, 1795 |