| Coelioxys (Synocoelioxys) Mitchell, 1973 |
| Coelioxys (Synocoelioxys) hunteri Crawford, 1914 |
| Coelioxys (Synocoelioxys) texana Cresson, 1872 |
| Coelioxys (Synocoelioxys) toltecoides Cockerell, 1923 |
| Coelioxys (Xerocoelioxys) Mitchell, 1973 |
| Coelioxys (Xerocoelioxys) aperta Cresson, 1878 |
| Coelioxys (Xerocoelioxys) edita Cresson, 1872 |
| Coelioxys (Xerocoelioxys) mesae Cockerell, 1921 |
| Coelioxys (Xerocoelioxys) soledadensis Cockerell, 1909 |
| Dianthidium Cockerell, 1900 |
| Dianthidium (Adanthidium) Moure, 1965 |
| Dianthidium (Adanthidium) anophrys Griswold & Michener, 1988 |
| Dianthidium (Adanthidium) discophorum Griswold & Michener, 1988 |
| Dianthidium (Adanthidium) texanum (Cresson, 1878) |
| Dianthidium (Deranchanthidium) Griswold & Michener, 1988 |
| Dianthidium (Deranchanthidium) bohartorum Griswold & Michener, 1988 |
| Dianthidium (Deranchanthidium) chamela Griswold & Michener, 1988 |
| Dianthidium (Dianthidium) Cockerell, 1900 |
| Dianthidium (Dianthidium) discors Timberlake, 1948 |
| Dianthidium (Dianthidium) dubium Schwarz, 1928 |