| Citation | Retamal, M.A. and H.I. Moyano, 2010 Zoogeografía de los crustáceos decápodos chilenos marinos y dulceacuícolas = Zoogeography of Chilean marine and freshwater decapod crustaceans. Lat. Am. J. Aquat. Res. 38(3):302-328. |
| Ref. | 91118 Retamal, M.A. and H.I. Moyano, 2010 |
| Page | 308;tab.1 |
| Named Used as Valid | Betaeus emarginatus |
| Locality | |
| Distribution | Easter Island. |