Prostomatea

Prostomatea
Coleps
Scientific classification
Domain:	Eukarya
(unranked):	SAR
(unranked):	Alveolata
Phylum:	Ciliophora
Class:	Prostomatea

Prostomatea is a class of Ciliates. It includes the genera Coleps and Pelagothrix.

Zhang, Qianqian; Yi, Zhenzhen; Fan, Xinpeng; Warren, Alan (January 2014). "Further insights into the phylogeny of two ciliate classes Nassophorea and Prostomatea (Protista, Ciliophora)". Molecular Phylogenetics and Evolution. 70: 162–170. doi:10.1016/j.ympev.2013.09.015. PMID 24075983. 

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Wikipedia