1. Buetow, D. E. The Biology of Euglena: Physiology (Academic Press, New York, 1982).
2. Leander, B. S. Euglenida: euglenids or euglenoids. v.10 http://tolweb.org/Euglenida/97461/2012.11.10 (November 2012, The Tree of Life Web project).
3. Leander, B. S., Lax, G., Karnkowska, A. & Simpson, A. G. B. in Handbook of the Protists (eds Archibald, J. et al.) Ch. 29 (Springer, Cham, 2017).
4. Dobell, C. Antony van Leeuwenhoek and his ‘Little Animals’ (Dover, New York, 1932).
5. Suzaki, T. & Williamson, R. E. Euglenoid movement in Euglena fusca: evidence for sliding between pellicular strips. Protoplasma 124, 137–146 (1985).