ABSTRACT
This study describes and illustrates 50 taxa of the phylum Euglenophyta sampled in four lakes from the Nhecolândia subregion of the Brazilian Pantanal. Of the total taxa identified, 33 were at infra-specific level, with 15 typical varieties and 18 non-typical varieties. Among identified species, Trachelomonas globularis (Awer.) Lemm. var. gigas Drezepolski was recorded for the first time in Brazil, and Lepocinclis americana Conf. and Trachelomonas pyramidata Couté et Thérézien were mentioned for the second time in Brazil. The most abundant genus was Trachelomonas, followed by Lepocinclis and Phacus. The most widespread taxa were Euglena caudata Hübner var. caudata, Lepocinclis acus (Müller) Marin & Melkonian, L. spyrogiroides Marin & Melkonian, T. armata (Ehr.) Stein. var. steinii Lemm., T. megalacantha Cunha var. crenulatocollis Bourr. & Manguin, T. superba Sw. var. superba and T. volvocinopsis Sw. var. volvocinopsis.
Keywords:
phytoplankton; floodplain; Pantanal; taxonomy
