Xylobolus subpileatus is a widely distributed species of crust fungus in the family Stereaceae.

The original collections were made from specimens growing on dead trunks in the United States of Ohio and South Carolina.

[3] The caps are somewhat flat to wavy, with a dark zonate top and light underside.

[4] Lookalikes include some within the same genus, as well as Cerioporus mollis, Dentocorticium portoricense, and Hymenochaete rubiginosa.

[4] It is found in eastern North America growing on fallen oak.