| Krusa annulata Goodnight & Goodnight, 1945 |
| Krusa flava Goodnight & Goodnight, 1946 |
| Krusa metallica Goodnight & Goodnight, 1946 |
| Krusa mexicana Goodnight & Goodnight, 1947 |
| Krusa stellata Goodnight & Goodnight, 1946 |
| Krusa tuberculata Goodnight & Goodnight, 1946 |
| Leiobuninae Banks, 1893 |
| Leiobunum Koch, 1839 |
| Leiobunum alvarezi Goodnight & Goodnight, 1945 |
| Leiobunum bogerti Goodnight & Goodnight, 1942 |
| Leiobunum bolivari Goodnight & Goodnight, 1945 |
| Leiobunum bruchi Mello-Leitão, 1933 |
| Leiobunum colimae Goodnight & Goodnight, 1945 |
| Leiobunum consimilis Banks, 1900 |
| Leiobunum denticulatum Banks, 1900 |
| Leiobunum desertum Goodnight & Goodnight, 1944 |
| Leiobunum dromedarium F.O.P.-Cambridge, 1905 |
| Leiobunum escondidum Chamberlin, 1925 |
| Leiobunum flavum Banks, 1894 |
| Leiobunum fuscum Roewer, 1910 |