Family: Similar to Euglenidae in body form and general structure, but without chromatophores (chloroplasts); body highly plastic, although usually elongate spidle (Kudo, 1966).
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).

->> Description at WPRNO

Google Image Search

U. cyclostomus 32 x 13 μm Japan, 199?	U. cyclostomus 30 x 21 μm Matsumoto Nagano, 2001	U. cyclostomus μm Senjo-ga-hara Nikko Tochigi, 2003	U. cyclostomus μm Kejo-numa Furukawa Miyagi, 2003
U. cyclostomus μm Beppu-numa Kumagaya Saitama, 2008	U. cyclostomus ? μm Ryugahara m.1 Yuri-Honjo Akita, 2008
U. sabulosus 28 x 14 μm flag. 40 μm Japan, 199?	U. sabulosus 27 x 16 μm flag. 40 μm Onnenai Kushiro marsh Hokkaido, 2005	U. sabulosus 27 x 18 μm flag. 40 μm Oura central p. Oura Gunma, 2006	U. sabulosus 25 x 11 μm flag. 35 μm Japan, 199? Movies
U. sabulosus 25 x 15 μm flag. 45 μm Saitama, 1999	U. sabulosus 25 x 15 μm flag. 50 μm Mashiko Tochigi, 1999	Urceolus sp. 35 x 17 μm flag. 50 μm Onnenai Kushiro marsh Hokkaido, 2005

Please click on species name for more images.

Copyright Protist Information Server