image_list image_listE

Euglenophyceae: Heteronematales: Astasiidae

 Urceolus cyclostomus
(Stein) Mereschkowski (or Mereschkowsky) (Algaebase)

Urceolus Genus: Body colorless; plastic; flask-shaped; striated; a funnel-like neck; posterior region stout; a single flagellum protruded from funnel and reaches inward the posterior third of body (Kudo, 1966).
Species: 25-50 μm long; fresh water (Kudo, 1960; How to know the protozoa, 1979).

Urceolus cyclostomus, lorica spirally striated, 30 μm long, 21 μm wide, a flagellum about μm long, x 400, x 640, Matsumoto, Nagano Pref., Japan, May 2001, collected by N. Kinoshita, photo by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Urceolus cyclostomus Urceolus cyclostomus Urceolus cyclostomus Urceolus cyclostomus
Urceolus cyclostomus Urceolus cyclostomus Urceolus cyclostomus Urceolus cyclostomus

Please click on images for viewing enlarged.
Copyright Protist Information Server