image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

Pleurotaenium
Nägeli 1849 (Algaebase)

Genus: Cell body long cylindroid; a slight constriction at center; cross section of the semicells spherical, slightly swell at the center but without a folded structure as Docidium; slightly tapered toward both ends, which are truncated and smooth or surrounded by granules or various small structures; laterally straight or wavy, with spiny projections in some species; 2-10 ribbon-like chloroplasts in each semicell; with many pyrenoids; a vacuole containing active granules at both ends same as in Closterium; cell wall mostly dotted, but with spines or other patterns in some species (Illustrations of The Japanese Fresh-water Algae, 1977).
Google Image Search
Pleurotaenium
P. minutum
-> Haplotaenium
30 samples
88-460 μm
1998-2008
Pleurotaenium
P. baculoides
3 samples
395-402 μm
L/W= 30.4-30.9
1998-2003
Pleurotaenium
P. trabecula
47 samples
255-736 μm
1998-2008
Pleurotaenium simplicissimum
P. simplicissimum
2 samples
628-660 x μm
2005-2006
Pleurotaenium repandum
P. repandum
550 x 40 μm
Gyoda
Saitama, 2001
Pleurotaenium
P. repandum
364 x 30 μm
Maimeno-ike
Norikura highland
Nagano, 2006
Pleurotaenium
P. repandum ?
660 x 27 μm
Kannon-numa f.p.
Shimogo
Fukushima, 2006
Pleurotaenium
P. eugeneum
or P. cylindricum ?
790 x 50 μm
Uruguay, 1999
Pleurotaenium
P. ehrenbergii
13 samples
303-550 μm
2000-2008
Pleurotaenium
P. wallichianum
500 x 34 μm
USA, 1999
Pleurotaenium
P. nodosum
14 samples
300-505 μm
1999-2008
Pleurotaenium excelsum
P. excelsum
μm
Kashibaru m.
Karatsu
Saga, 2008
Pleurotaenium
P. kayei
340 x 46 μm
Hiroshima, 1998
Movies
Pleurotaenium kayei
P. kayei
μm
Ko-numa 1
Minakami
Gunma, 2008
Pleurotaenium granuliferum
P. granuliferum
v. granuliferum
Water field
Kusu
Oita, 2008
Pleurotaenium granuliferum
P. granuliferum
v. abeanum
Water field
Kusu
Oita, 2008
Pleurotaenium
P. inermium
375 x 127 μm
Uruguay, 1999
Pleurotaenium ovatum
P. ovatum
230, 255, 265 μm
Ikenokochi marsh
Tsuruga
Fukui, 2004
Pleurotaenium ovatum
P. ovatum
stock Ftsi-1
235 x 97 μm
Ikenokochi marsh
Tsuruga
Fukui, 2004

Please click on species name for more images.
Pleurotaenium
Copyright Protist Information Server