Litonotus anguilla Kahl, 1931

Litonotus anguila — Tirjaková & Matis 1987: 9; Matis & Tirjaková 1992: 52.

Litonotus anguilla — Tirjaková 1993: 134; Matis & Tirjaková 1994: 58; Krno et al. 1995: 33.

Nomenclature. Misspelled as “ L. anguila ” by Matis & Tirjaková (1992) and Tirjaková & Matis (1987), and thus unavailable according to the Articles 33.3 and 33.5 of the ICZN (1999).

Main morphological characters (according to Song & Wilbert 1989). Length 150–300 µm in vivo. Body lanceolate with narrowly rounded posterior body end; 3–4 ribs on left side. Two macronuclear nodules with a single micronucleus in between. Contractile vacuole distinctly subterminal. Extrusomes rod-like, about 3–5 µm long, attached along whole length of oral bulge. Somatic ciliary pattern Litonotus -like; 10–12 right and about 5 left kineties.

Distribution. Litonotus anguilla was recorded in submerged and wet mosses from Slovenský Raj at a frequency of about 1.9 and 1.5, respectively (Tirjaková & Matis 1987); in the backwaters of the Danube River in Čičov (Matis & Tirjaková 1992); in the periphyton and benthos of the Turiec River (Tirjaková 1993); in the Stupavský potok brook (Matis & Tirjaková 1994); in a groundwater vein in the Vtáčnik Mountain Range (Krno et al. 1995).