This was a particularly fragile puffball in that it appeared to have a thin outer surface which was very easily dented whilst clearing debris from around it. Found on sandy soil adjacent to an area with pooled surface water from recent rains. Thanks to Barbara for the initial sighting.
Puffballs such as this have very thin skins, easily depressed. If depressed enough spores are forced to puff out of the hole. In these puffing puffballs the skin that you often see is simply the inner of two layers. The outer layer is evanescent and consists of a layer of granules, warts or spines (depending on species). The outer layer is easily eroded but may persist on the lower, more protected area. In your photos you some traces, the greyer areas on the dark brown surface. Initially the whole puffball would have been covered with that greyish 'fuzz'. I can't tell for sure whether the fuzz consists of granules, warts or spines. I'm inclined to think either short, broad pyramidal spines or perhaps what gives the appearance of a single, broad pyramid is a group of 4-5 narrower pyramidal spines, each bending a little so as to make the tips of those 4-5 join. You see an example of the latter here: https://canberra.naturemapr.org/sightings/4300540.
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