Epistylis Ehrenberg, 1830

Chatterjee, Tapas, Dovgal, Igor, Fontaneto, Diego, Zawal, Andrzej & Singh, Ravail, 2023, A checklist of epibiont and parasite ciliates (Ciliophora) associated to rotifers (Rotifera), Zootaxa 5389 (3), pp. 373-385 : 374-378

Genus Epistylis Ehrenberg, 1830

Epistylis pygmaeum (Ehrenberg 1838)

= Epistylis rotatorium Kahl 1935

Rotifer host Ciliates Epibiont/Endobiont (Endoparasite) References Asplanchna priodonta Gosse, 1850 Epistylis pygmaeum (Ehrenberg 1838) Epibiont Gilbert & Schröder (2003) Brachionus angularis Gosse, 1851 Epistylis pygmaeum (Ehrenberg 1838) Epibiont Gilbert & Schröder (2003) Epistylis sp. Epibiont Bozkurt & Gene (2009) Epistylis sp. Epibiont Bulut & Saler (2017) Rhabdostyla congregata Zacharias, 1903 Epibiont Zacharias (1903) ; Schödel (2018) Epistylis pygmaeum (Ehrenberg 1838) Epibiont Gilbert & Schröder (2003) Brachionus rubens Ehrenberg, 1838 Unidentified peritrich Epibiont Kumari et al. (2021) Unidentified ciliates Epibiont Kumar et al. (2022) Brachionus urceus (Linnaeus, 1758) Ophryoglena brachioni Li, 1993 Endobiont (Endoparasite) Li (1993); Jankowski (2007) Epistylis pygmaeum (Ehrenberg 1838) Epibiont Kahl (1935) Brachionus sp. Epistylis pygmaeum (Ehrenberg 1838) Rhabdostyla sp. Epibiont Epibiont Foissner et al. (1999) Regali-Seleghim & Godinho (2004) Scyphidia sp. Epibiont Regali-Seleghim & Godinho (2004) Conochilus hippocrepis (Schrank, 1803) Haplocaulus conosomus ( Stokes, 1889) Epibiont Kahl (1930) Vorticella sp. Epibiont Balvay& Druart (1995)

Brachionus calyciflorus Pallas, 1776 Ophryoglena brachioni Li, 1993 Endobiont (Endoparasite) Li (1993); Jankowski (2007)

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Report as epibiont on rotifers: The species was described as Epistylis rotatorium from Brachionus sp. collected near Hamburg, Germany ( Kahl 1935). Later the species name was synonymized with Epistylis pygmaeum by Foissner et al. (1999). Next the species was reported as an epibiont on unidentified rotifers and planktonic crustaceans by Schödel (2018). In addition, the photograph given by Foissner et al. (1999) shows many short-stalked zooids of E. pygmaeum on the body of an adult female Brachionus sp. Wu et al. (2022) reported it as epibiont on different rotifers, including Hexarthra sp. and Filinia sp.

Rotifers of several species, including Asplanchna priodonta , Brachionus angularis , B. calyciflorus , Conochilus unicornis , Keratella crassa , Polyarthra euryptera and Synchaeta sp. were found infested by E. pygmaeum in experimental culture (Gilbert & Schröder 2003).

Remarks: This species was also reported on other hosts e.g., copepods and cladocerans (Gilbert & Schröder 2003; Clamp et al. 2016).

Epistylis sp. (in Bulut & Saler 2017)

Report as epibiont on rotifers: Epistylis sp. was observed on Keratella cochlearis , Polyarthra dolichoptera and Brachionus angularis from Cip Reservoir, Türkie ( Bulut & Saler 2017).

Remarks: Bulut & Saler (2017) reported this species also on adult Cyclops vicinus but not on their naupli.

Epistylis sp. (in Bozkurt & Gene 2009)

Report as epibiont on rotifers: Unidentified representative of the genus Epistylis was also reported on Brachionus angularis from Asi River, Türkie ( Bozkurt & Gene 2009).

Remarks: Other hosts like copepods and cladocerans were also infected with Epistylis sp. in Asi River, Turkey ( Bozkurt & Gene 2009).