It is better to have a photo of the underside of the cap, so that it can be categorized better. Above the surface, it should be some kind of fungus in the family of Odontobacteria, the specific species may be the tiger palm fungus, also known as the warscale carnassial fungus (Saarcodon imbricatum (L.:Fr.) Karst), the fungus online in a number of places to categorize the wrong, the tiger palm fungus is a kind of precious edible fungi.
Warp Scale Flesh Toothed Fungus, also known as Tiger Palm Fungus, has a medium to large substrate. The cap is initially raised, then flattened, the central umbilical or concave, sometimes shallow funnel-shaped, light pinkish gray, the surface has a dark gray to black brown scales, scales thick, imbricate, tend to the center of the particularly large and warped, concentric ring arrangement, the cap is 6-10cm in diameter, the flesh of the fungus is nearly white, mycorrhizal stem mesophyllous or slightly biased, thick
0.7-3cm, sometimes shorter and thicker or more elongated, the upper and lower part of the thickness or the base expanded. The base is enlarged, up to 4cm, medium solid, smooth, light white, later becoming light brown. Spines conical, prolonged, up to 1-1.5cm long, initially grayish white. Later turns thick brown.
(Tiger Palm Fungus)
You'd better take a picture of the lower surface and send it to me for identification.