| Leiobunum nigrigenum Goodnight & Goodnight, 1945 |
| Leiobunum nycticorpum Goodnight & Goodnight, 1942 |
| Leiobunum patzquarum Goodnight & Goodnight, 1942 |
| Leiobunum potosum Goodnight & Goodnight, 1942 |
| Leiobunum royali Goodnight & Goodnight, 1946 |
| Leiobunum tascum Goodnight & Goodnight, 1945 |
| Leiobunum townsendi Weed, 1893 |
| Leiobunum veracruzensis Goodnight & Goodnight, 1947 |
| Leiobunum viridorsum Goodnight & Goodnight, 1942 |
| Leuronychus Banks, 1900 |
| Leuronychus fulviventre (F.O.P.-Cambridge, 1905) |
| Leuronychus pacificus (Banks, 1894) |
| Metopilio Roewer, 1911 |
| Metopilio acanthipes (F.O.P.-Cambridge, 1905) |
| Metopilio albispinulatus Goodnight & Goodnight, 1944 |
| Metopilio armatus Goodnight & Goodnight, 1953 |
| Metopilio armigerus (F.O.P.-Cambridge, 1905) |
| Metopilio australis (Banks, 1909) |
| Metopilio cambridgei Mello-Leitão, 1944 |
| Metopilio diazi Goodnight & Goodnight, 1945 |