Euglena spirogyra var. fusiformis form. minor
Study of the Euglenophyta from Camaleao Lake (Manaus, Brazil). 3. Euglena Ehr., Lepocinclis Perty, Phacus Duj. Revue d'Hydrobiologie Tropicale, 27(1) 1995: 3-21. 6 [Zoological Record Volume 133]