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Probably a Cellar Spider (Pholcidae)

Probably a Cellar Spider (Pholcidae)
Raccoon Mountain Caverns, Chattenooga, Hamilton County, Tennessee, USA
This creature is dead and is being eaten by fungus in Raccoon Mountain Caverns. This is a common occurrence in caves when spiders die. I thought its just interesting feel free to Frass since its dead, or do whatever.

Moved from Cellar Spiders.

Moved from Spiders.

a cellar spider.

I wonder if this might not be a harvestman instead. I know there are cave-dwelling species that reach very high population densities; I've also never heard of Pholcus in caves, oddly enough....

It might be
It might be a harvestmen. I have seen what I am pretty sure is Pholcus in the same cave. They don't go in usually more then maybe 100 feet back into the cave. This particular cave is a "show cave" so that may explane it - they are usually around the lights in the cave.

Fungus: Torrubiella pulvinata
The fungus is Torrubiella pulvinata. The person (Mains) who originally described it mistook the victims for harvestmen, but they were in face pholcids, as discussed in:

Cokendolpher, James C. “Pathogens and parasites of Opiliones (Arthropoda: Arachnida).” The Journal of Arachnology 21, no. 2 (1993): 120-146.

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