Rhabdophrya nymphonis (Gassovsky, 1916)

(Fig. 4 G)

= Dendrosomides nymphonis Gassovsky, 1916

Diagnosis: Aloricate suctorian ciliate with elongated, not converged to the top, very slightly laterally flattened, stalked cell body. Few in number, short, rod-like tentacles arranged in groups along the lateral edge of body. Stalk short, provided with good developed epicone. Macronucleus long, thin, ribbon-like. Reproduction not observed.

Measurements (in µm, after Kahl 1934): Body length 90–103.

Type locality: Kola Bay of the Barents Sea (Gassovsky 1916) .

Type host: Nymphon sp.

Other hosts and localities: The species mentioned as found epibiotic on hydroids, algae and bryozoans from the Barents Sea near Murmansk (Jankowski 2007; Chatterjeee & Dovgal 2020).