Taxonomic survey of representatives of family Peranemaceae (Euglenophyceae) in the Parque Estadual das Fontes do Ipiranga, São Paulo, Brazil. Six genera (Dinematomonas, Entosiphon, Heteronema, Parmidium, Peranema and Urceolus) and 36 species, but no varieties and taxonomic formae that are not the typical of their respective species and variety were identified. One species, Entosiphon skvortzovii C. Bicudo, is described as new to Science. Genus presenting the greatest number of infrageneric taxa was Entosiphon, with 22. Follow Parmidium with 9, Heteronema with 2 and Dinematomonas, Peranema and Urceolus with a single species each. All species were collected from a single locality each.
Brazil; Dinematomonas; Entosiphon; Heteronema; Parmidium; Peranema; Urceolus
