| Species name | Common name | Distribution | Max. Length (cm) | 
|---|---|---|---|
| Hawaiia alachuana (Dall, 1885) | Southeastern gem | North America | |
| Hawaiia minuscula (Binney, 1841) | Minute gem | North America | |
| Hawaiia neomexicana (Cockerell & Pilsbry, 1900) | Striate gem | North America |