Table 5. Tennessee caves and cave systems with the greatest number of cave-obligate species.

Cave	County	Ecoregion	TCS No.	No. of species	No. of types
Crystal Cave	Grundy	IP – Eastern Highland Rim	TGD10	23	2
Big Mouth Cave	Grundy	SWA – Plateau Escarpment	TGD2	16	0
Dry Cave	Franklin	SWA – Plateau Escarpment	TFR9	16	2
Tom Pack Cave	Franklin	SWA – Plateau Escarpment	TFR87	14	0
Little Slippery Slit Cave	Overton	IP – Eastern Highland Rim	TOV427	14	0
Trussell Cave	Grundy	IP – Eastern Highland Rim	TGD26	14	1
Cumberland Caverns	Warren	SWA – Plateau Escarpment	TWR7	14	6
McElroy Cave	Van Buren	SWA – Plateau Escarpment	TVB10	13	2
Herring Cave	Rutherford	IP – Inner Nashville Basin	TRU8	13	1
Keith Cave	Franklin	SWA – Plateau Escarpment	TFR14	13	0
Swamp River Cave	Van Buren	IP – Eastern Highland Rim	TVB657	13	0
Skull Cave	Grundy	IP – Eastern Highland Rim	TGD24	13	0
Bunkum Cave	Pickett	IP – Eastern Highland Rim	TPI2	12	3
Caney Hollow Cave	Franklin	IP – Outer Nashville Basin	TFR2	12	1
Grapevine Cave	Franklin	SWA – Cumberland Plateau	TFR423	12	0
Walker Spring Cave	Franklin	IP – Eastern Highland Rim	TFR28	12	0
Cave system	County	Ecoregion	TCS No.	No. of species	No. of types
Crystal/Wonder Cave System	Grundy	IP – Eastern Highland Rim	TGD10, TGD30	24	6
Big Mouth/Big Room Cave System	Grundy	SWA – Plateau Escarpment	TGD2, TGD3, TGD20	20	0
Rumbling Falls Cave System	Van Buren	IP – Eastern Highland Rim	TVB657, TVB588, TVB515, TVB352	17	0

Undescribed species are not included. The unique Tennessee Cave Survey number (TCS No.) for each cave, ecoregion (Level III and Level IV), species richness (No. of species), and the number of species for which each cave/cave system is the type locality (No. of types) are also noted.