Rhabdostyla spheroides (Fromentel 1874)

Souza, Pedro Mendes De, Rossi, Mariana Fonseca & Dias, Roberto Júnio Pedroso, 2024, Systematic review of the genera Rhabdostyla Kent 1880 and Orborhabdostyla Foissner et al. 2010 (Ciliophora, Peritrichia, Epistylididae), Zootaxa 5399 (3), pp. 201-230 : 222

Rhabdostyla spheroides (Fromentel 1874)

— Fig. 4 , M’

Epistylis spheroides Fromentel, 1874: 240 , pl. IV, fig. 4

Rhabdostyla sphaeroides Kent, 1881 –1882: 666, pl. XXXIII, fig. 10

[ Rhabdostyla] (Rhabdostyla) sphaeroides Kahl, 1935: 678 , pl. 129, fig. 16

Diagnosis: Size about 60µm. Robust peduncle, measuring about half the size of the body and enlarged proximally. Smooth pellicle. Peristomial disc with convex elevation when expanded, elevation almost forming a sphere. Curved and prolonged infundibulum. Long and robust oral ciliary. Found in freshwater environments.

Remarks: diagnosis compiled from the works of de Fromentel (1874), Kent (1881) and Kahl (1935).

Figures

FIGURE 4. Schematic drawing of representatives of the Rhabdostyla genus. F’: Rhabdostyla porculus: G’: Rhabdostyla pristinis; H’: Rhabdostyla ringens; I’: Rhabdostyla similis; J’: Rhabdostyla scyphidiformis; K’: Rhabdostyla scyphoides; L’: Rhabdostyla sessilis; M’: Rhabdostyla spheroides; N’: Rhabdostyla taboadai; O’: Rhabdostyla tritora; P’: Rhabdostyla tubificis; Q’: Rhabdostyla vernalis.