Family Helicodiscidae - Cave Biology Data Portal

Species in this portal: 12
Ecological class: 7 troglophiles, 3 trogloxenes and 2 troglobionts
Realm: Terrestrial
Continent: North America
Country: United States
States and provinces: Alabama, Georgia, Illinois, Kentucky, Missouri and Tennessee
Counties: 50
Karst regions: Appalachians, Interior Low Plateau
Conservation: 1 of 8 ranked G1 or G2

Genera

Species	Common name	Class	Status	States	Karst regions
Helicodiscus barri Hubricht, 1962	Raccoon coil	Troglobiont	G3G4	AL, GA, TN	Appalachians, Interior Low Plateau
Helicodiscus fimbriatus Wetherby, 1881	Fringed Coil	Trogloxene	G4	AL
Helicodiscus hadenoecus Hubricht, 1962	Cricket Coil	Troglophile		AL, KY, TN
Helicodiscus inermis H. B. Baker, 1929		Troglophile		AL
Helicodiscus multidens Hubricht, 1962	Twilight Coil	Troglophile	G3	TN
Helicodiscus notius Hubricht, 1962	Tight Coil	Troglophile	G5	AL, GA, IL, KY, MO, TN
Helicodiscus notius specus Hubricht, 1962	Hollow Coil	Troglobiont	G2	AL, GA, IL, KY, MO, TN	Appalachians, Interior Low Plateau
Helicodiscus parallelus (Say, 1821)	Compound Coil	Troglophile	G5	GA, TN
Helicodiscus punctatellus J. P. E. Morrison, 1942		Troglophile		KY
Helicodiscus shimeki Hubricht, 1962	Temperate Coil	Trogloxene	G5
Lucilla inermis (H. B. Baker, 1929)	Oldfield Coil	Troglophile		AL, GA, TN
Lucilla singleyana (Pilsbry, 1889)	Singley's Subterranean Discus Snail	Trogloxene	G5	IL, TN