''Tolus'' is a genus of

harvestman The Opiliones (formerly Phalangida) are an order of arachnids colloquially known as harvestmen, harvesters, harvest spiders, or daddy longlegs. , over 6,650 species of harvestmen have been discovered worldwide, although the total number of ext ...

in family

Phalangodidae The Phalangodidae are a family of harvestmen with about 30 genera and more than 100 described species, distributed in the Holarctic region. It is not to be confused with the harvestman family Phalangiidae, which is in the suborder Eupnoi. Nam ...

with the sole described species ''Tolus appalachius''. It is only found in

Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to ...

References

* 's Biology Catalog
Phalangodidae
Harvestmen Endemic fauna of Tennessee Monotypic arachnid genera Cave spiders {{Opiliones-stub