An annotated checklist of species in the family Lagenophryidae (Ciliophora, Oligohymenophorea, Peritrichia), With a brief review of their taxonomy, morphology, and biogeography Author Mayén-Estrada, Rosaura Author Clamp, John C. text Zootaxa 2016 4132 4 451 492 journal article 10.11646/zootaxa.4132.4.1 ff19b27a-0f58-4285-b3b1-a7c9fa6a5ad2 1175-5326 257628 93EBA74C-E97B-42A6-9D82-1DF346533192 L. stygia Clamp, 1990 Lagenophrys labiata Jakschik 1967a : 24 . Circolagenophrys stygia Jankowski 1993 : 221 . Museum Depositions. USNM . 42306 Holotype ; 42307, 42308 Paratypes . Habitat . Subterranean. Distribution . BR: Nearctic. USA : Illinois , Champaign Co. 1 mi . S Sellers, drainage tile ( 40°10'14.77"N , 88°6'13.33"W ); Christian Co., 4.0 mi. E Taylorville, Spring Cr. ( 39°33'7.43"N , 88°34'19.65"W ); Vermilion Co., 1.5 mi . N Fithian, tributary of Stony Cr. ( 40° 7'51.57"N , 87°52'22.73"W ). Hosts . USA : Bactrurus mucronatus (Forbes) (gills). References. Clamp 1984 , 1990a ; Fernandez-Leborans & Tato-Porto 2000 .