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Euglenophyceae: Euglenales
Mastigophora: Euglenida

Trachelomonas abrupta
Swirenko, 1914

Trachelomonas Species: Lorica cylindrical (var. abrupta 22-30 x 15-19 μm and var. minor 16-20 x 10-12 μm) with semispherical ends, or elongated ellipsoidal (var. arcuata 20-30 x 14-18 μm); collar absent; surface granulated or dotted (many small and short spines) (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000)
Similar species -->> T. lacustris (elongated cylindrical, dotted); T. hispida (ellipsoidal, spiny); T. allia (broad cylindrical, spiny); T. klebsii (cylindrical, spiny);


Trachelomonas abrupta Swirenko var. abrupta ?, lorica μm long, μm wide, L/W=, x 640, No. 1, Tango-seki park, Chuoh-ku, Chiba City, Chiba Pref., Japan, March 9, 2008 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trachelomonas abrupta Trachelomonas abrupta

Images of collecting locality: No. 1, Tango-seki park, Chuoh-ku, Chiba City, Chiba Pref., Japan, March 9, 2008 by Y. Tsukii


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