Betaeus is a genus of shrimp in the family Alpheidae, containing the following species:
- Betaeus australis <small>Stimpson, 1860</small>
- Betaeus emarginatus <small>(H. Milne-Edwards, 1837)</small>
- Betaeus ensenadensis <small>Glassell, 1938</small>
- Betaeus gelasinifer <small>Nomura & Komai, 2000</small>
- Betaeus gracilis <small>Hart, 1964</small>
- Betaeus granulimanus <small>Yokoya, 1927</small>
- Betaeus harfordi <small>(Kingsley, 1878)</small>
- Betaeus harrimani <small>Rathbun, 1904</small>
- Betaeus jucundus <small>Barnard, 1947</small>
- Betaeus lilianae <small>Boschi, 1966</small>
- Betaeus longidactylus <small>Lockington, 1877</small>
- Betaeus macginitieae <small>Hart, 1964</small>
- Betaeus pingi <small>Yu, 1930</small>
- Betaeus setosus <small>Hart, 1964</small>
- Betaeus truncatus <small>Dana, 1852</small>
References