Tokophrya quadripartita (Claparède & Lachmann, 1859)

Body pyramidal with four prominent actinophores, one at each corner of the apical region, each bearing a fascicle of capitate tentacles; the macronucleus is spherical and located centrally; the contractile vacuole is located apically; the stalk is long, thin and smooth.

Known previous records. Tokophrya quadripartita has been recorded on Cambarellus (Cambarellus) zempoalensis (cited as Cambarellus montezumae zempoalensis) ( Cambaridae) in Lake Zempoala, Morelos, Mexico (López-Ochoterena & Ochoa-Gasca 1971) and on Cambarellus (Cambarellus) patzcuarensis (cited as Cambarellus patzcuarensis) in Lake Pátzcuaro, Michoacán, Mexico (Mayén-Estrada & Aladro-Lubel 1998).

It has also been recorded on Cyclops sp., Limnocalanus macrurus macrurus Sars G.O., 1863 (cited as Limnocalanus macrurus), Epischura lacustris Forbes S.A., 1882, Eucyclops agilis agilis (cited as Eucyclops agilis), Diacyclops bicuspidatus (cited as Cyclops bicuspidatus) and on Pontastacus leptodactylus (cited as Astacus leptodactylus) (Curds 1985b; Matthes & Guhl 1988; Fernandez-Leborans & Tato-Porto 2000). Dovgal (2013) recorded T. quadripartita on Asellus (Asellus) aquaticus (Linnaeus, 1758) (cited as Asellus aquaticus) and on Pontastacus leptodactylus (cited as Astacus leptodactylus).