Rhabdostyla scyphoides Song 1986

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 scyphoides Song 1986

— Fig. 4 , K’

Diagnosis: Size about 35–44µm long and 24–27µm wide. Cylindrical body. Peduncle very short, about a third of the body’s length, with a widening in the proximal portion. Smooth pellicle. Peristomial disc flat. Cytoplasm with many fine granules. Contractile vacuole in the apical part of the cell. “S”-shaped macronucleus, located longitudinally in the body. The components of the oral ciliary, Polykinety 1 and Polykinety 2 starting from Polykinety, Polykinety 3 short, with two rows. Aboral ciliary crown has several rows and a very large scopula.

Remarks: diagnosis according to Song (1986).

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.