Modifiziert nach Allan Pentecost, Diagnostic Drawing: Euglenophyceae, Agricultural & Environmental Data Archive (AEDA), Freshwater Biological Association, 2016
nih.gov
ncbi.nlm.nih.gov
V. Daiker, D. P. Häder, P. R. Richter, M. Lebert: The involvement of a protein kinase in phototaxis und gravitaxis of Euglena gracilis. In: Planta. Band233, Nr.5, Mai 2011, S.1055–62, PMID 21286747.