| Xanthoconium separans (Peck) Halling & Both, 1998 |
| Xerocomellus Sutara, 2008 |
| Xerocomellus carmeniae Garza-Ocañas, J. García & de la Fuente, 2022 |
| Xerocomellus chrysenteron (Bull.) Sutara, 2008 |
| Xerocomellus dryophilus (Thiers) N. Siegel, C.F. Schwarz & J.L. Frank, 2014 |
| Xerocomellus mendocinensis (Theirs) N. Siegel, C.F. Schwarz & J.L. Frank, 2020 |
| Xerocomellus rubellus (Krombh.) Sutara, 2008 |
| Xerocomellus truncatus (Singer, Snell & Dick) Klofac, 2011 |
| Xerocomellus zelleri (Murrill) Klofac, 2011 |
| Xerocomus Quél., 1887 |
| Xerocomus chrysenteron (Bull.) Quél., 1888 |
| Xerocomus coccolobae Pegler, 1983 |
| Xerocomus coniferarum Singer, 1946 |
| Xerocomus illudens (Peck) Singer, 1946 |
| Xerocomus leonis (D.A. Reid) Alessio, 1985 |
| Xerocomus porosporus Imler, 1958 |
| Xerocomus spadiceus (Fr.) Quél., 1888 |
| Xerocomus subtomentosus (L.) Quél., 1888 |
| Xerocomus truncatus Singer, Snell & E. A. Dick, 1960 |