Cothurnia Ehrenberg, 1831

Bharathidasan, Veeraiyan, Sarathy, Palanivel Partha, Murugesan, Perumal & Nogueira, João Miguel De Matos, 2021, New records for associations between peritrich protozoan ciliates (Ciliophora, Sessilida) and polychaete worms (Annelida) from off the southeastern coast of India, Zootaxa 5071 (4), pp. 492-504 : 495

Genus Cothurnia Ehrenberg, 1831

Diagnosis. Circular anterior opening in top view, edge lacking outgrows. Short stalk, cylindrical, without folds, mesostyle and endostyle both absent; stalk sometimes with longitudinal striae. One or two small zooids present per lorica. Contractile vacuole small, at peristomial region. Macronucleus straight, pellicular striations inconspicuous ( Fig. 4B, C ) ( Warren & Paynter 1991; Lynn & Small 2000).

Figures

FIGURE 4. Specimens of Cothurnia sp. on Sabellaria sp. (A). Entire worm, dorsal view; (B, C). Specimens of Cothurnia sp. on paleae of the anterior region of the worm.