| Synalpheus pandionis Coutière, 1909 |
| Synalpheus paraneptunus Coutière, 1909 |
| Synalpheus paulsonoides Coutière, 1907 |
| Synalpheus pectiniger Coutière, 1907 |
| Synalpheus peruvianus Rathbun, 1910 |
| Synalpheus rathbunae Coutière, 1909 |
| Synalpheus sanjosei Coutière, 1909 |
| Synalpheus sanlucasi Coutière, 1909 |
| Synalpheus scaphoceris Coutière, 1910 |
| Synalpheus stylopleuron Hermoso-Salazar & Hendrickx, 2005 |
| Synalpheus townsendi Coutière, 1909 |
| Synalpheus townsendi subsp. brevispinis Coutière, 1909 |
| Synalpheus townsendi subsp. mexicanus Coutière, 1909 |
| Synalpheus townsendi subsp. peruvianus Rathbun, 1910 |
| Synalpheus townsendi subsp. productus Coutière, 1909 |
| Synalpheus wickstenae Hermoso-Salazar & Hendrickx, 2005 |
| Triacanthoneus Anker, 2010 |
| Triacanthoneus akumalensis Alvarez, Iliffe, González & J. L. Villalobos, 2012 |
| Triacanthoneus alacranes Anker, 2010 |
| Triacanthoneus chapelianus Alvarez, Iliffe & Villalobos, 2014 |