| Eremocosta Roewer, 1934 |
| Eremocosta acuitlapanensis (Vázquez & Gaviño-Rojas, 2000) |
| Eremocosta bajaensis (Muma, 1986) |
| Eremocosta calexicensis (Muma, 1951) |
| Eremocosta formidabilis (Simon, 1879) |
| Eremocosta fuscus (Muma, 1986) |
| Eremocosta gigasella (Muma, 1970) |
| Eremocosta hystrix (Mello Leitão, 1942) |
| Eremocosta nigrimana (Pocock, 1895) |
| Eremocosta spinipalpis (Kraepelin, 1899) |
| Eremocosta striata (Putnam, 1883) |
| Eremocosta titania (Muma, 1951) |
| Eremorhax Roewer, 1934 |
| Eremorhax bajaensis Muma, 1986 |
| Eremorhax calexicensis (Muma, 1951) |
| Eremorhax formidabilis (Simon, 1879) |
| Eremorhax fuscus Muma, 1986 |
| Eremorhax gigas (Roewer, 1934) |
| Eremorhax gigasella Muma, 1970 |
| Eremorhax magnus (Hancock, 1888) |