Euglenophyceae:
Euglenales
Mastigophora: Euglenida
Trachelomonas abrupta
Swirenko, 1914
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)
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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 34 μm long, 22.5 μm wide, L/W=1.5,
cell body 31 μm long, 15 μm wide, L/W=2.1,
x 640, No.1, Azami-ike (pond), Norikura highland, Azumi, Matsumoto city, Nagano Pref., November 4, 2007 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Lorica 33 μm long, 24 μm wide, L/W=,
a short collar present, 2 μm high, 5 μm wide, L/W=0.4, x 640
Images of collecting locality:
No.1, Azami-ike (pond), Norikura highland, Azumi, Matsumoto city, Nagano Pref., November 4, 2007 by Y. Tsukii
Please click on images for viewing enlarged.
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