Limnodrilus sulphurensis
{{Short description|Species of annelid worm}}
{{Speciesbox
|genus = Limnodrilus
|species = sulphurensis
|authority = Fend, Liu & Erséus, 2016
}}
Limnodrilus sulphurensis is a species of extremophile cave-dwelling worm. Discovered in 2007, this species lives in only two known locations in Sulpher Cave Spring at Steamboat Springs' Howelsen Hill in Colorado, United States.KUNC [https://www.kunc.org/science/2016-06-14/steamboats-unique-cave-worms-officially-have-a-name-limnodrilus-sulphurensis Steamboat's unique cave worms officially have a mame: Limnodrilus sulphurensis], June 14, 2016
The worms are about an inch long and are approximately 1 to 1.5mm in diameter.Popular Science Scoles, Sarah [https://www.popsci.com/science/worms-science-secrets/ Cave worms could hold the secrets to a better life], March 29, 2022