Dactylophrya, Collin, 1909

Chatterjee, Tapas, Dovgal, Igor & Sautya, Sabyasachi, 2023, New find of Dactylophrya-stage of parasitic suctorian of genus Tachyblaston Martin, 1909 (Ciliophora, Suctorea) with comments on genus taxonomy, Zootaxa 5389 (2), pp. 266-274 : 272

Collin’s diagnosis of Dactylophrya -stage (as D. roscovita ) ( Fig. 5A )

The cell-body is pear-shaped, widened upwards, covered with a very thin lorica, which attached to the substrate by a relatively short cylindrical stalk. There are from 12 to 15 bottle-shaped tentacles at the apical surface of the body, each provided by a rounded knob. The contractile vacuole and nucleus were not observed.

Dimensions (in µm): Body height from the base of the lorica to the ends of the tentacles 40, the maximum body width 20. The diameter of the tentacles below the knob 1.

Figures

FIGURE 5. Dactylophrya-stage of Tachyblaston found by different authors (A—after Collin 1912; B—after Gassovsky 1916; C—after Collin 1912 as Ophryodendron reversum).