image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

Sphaerozosma
Corda 1835
Ralfs (Coesel & Meesters 2007)
(Corda) Ralfs (Ling & Tyler 2000)

Family: Unicells or cells loosely attached forming hyphae; cell body varied in shape, a constriction at the center in most species; cell walls consisting of two or more parts, with small pores and various ornaments (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: Cell body flat, constricted at the center; semicells with two small projections at their apexes; cells connected with each other by the projections.
Google Image Search
Sphaerozosma
S. vertebratum
16 x 18 μm
Uruguay, 1999
Sphaerozosma excavatum -> Teilingia excavata
Sphaerozosma excavatum
S. excavatum
8.5 x 9 μm
Iroha-numa
Zao mountain
Yamagata, 2005
Sphaerozosma
S. excavatum
9 x 9.5 μm
Iroha-numa 2
Zao mountain
Yamagata, 2006
Sphaerozosma excavatum
S. excavatum
9-10 x 9-10 μm
Ko-numa
Tsukiyono
Gunma, 2007
Sphaerozosma excavatum
S. excavatum
or S. granulata ?
10 x 10 μm
Shijuhachi-ike 2
Shiga highland
Nagano, 2006
Sphaerozosma excavatum
S. excavatum
9 x 9 μm
Ushidome-ike
Norikura highland
Nagano, 2006
Sphaerozosma granulata -> Teilingia granulata
Sphaerozosma
S. gramulata ?
9 x 9.5 μm
Iroha-numa 3
Zao mountain
Yamagata, 2006
Sphaerozosma excavatum
S. gramulata ?
9.5 x 11 μm
Obihiro-Hasshonochi
Obihiro
Hokkaido, 2005
Sphaerozosma excavatum
S. gramulata ?
Numappara marsh
Kuroiso
Tochigi, 2003
Sphaerozosma excavatum
S. gramulata ?
Sa-numa park
Shimotsuma
Ibaraki, 2003
Sphaerozosma excavatum
S. gramulata ?
8.5 x 9 μm
Bessho numa
Saitama, 2001
Sphaerozosma excavatum
S. gramulata ?
9 x 8-10 μm
Kowashimizu
Suwa
Nagano, 2005
Sphaerozosma excavatum
S. gramulata ?
9-11 x 9-11 μm
Kowashimizu
Suwa
Nagano, 2007
Sphaerozosma excavatum
S. gramulata ?
9-9.5 x 10 μm
Nozomiko 2
Myoko highland
Nagano, 2007
Sphaerozosma granulata
S. gramulata ?
9 x 9.5 μm
Kejo-numa 1
Osaki
Miyagi, 2006
Sphaerozosma granulata
S. granulata
or S. excavatum ?
9 x 10 μm
Tane-ike
Togakushi highland
Nagano, 2005
Sphaerozosma granulata
S. granulata
μm
Numappara marsh
Kuroiso
Tochigi, 2003
Sphaerozosma granulata
S. granulata
9-10 μm
Karakemi marsh
Omachi
Nagano, 2006
Sphaerozosma
S. granulata
10.5 x 13 μm
Maimeno-ike
Norikura highland
Nagano, 2006
Sphaerozosma
S. granulata
10-11 x 10 μm
Dojo-ike
Norikura highland
Nagano, 2006
Sphaerozosma granulata
S. granulata
10 μm
Kodanuki marsh
Fujinomiya
Shizuoka, 2006
Sphaerozosma excavatum
S. granulata
μm
Ko-numa
Minakami
Gunma, 2008
Sphaerozosma excavatum or Spondylosium ?
Sphaerozosma excavatum
S. excavatum
or Spondylosium ?
9-10 x 8-10 μm
Ushidome-ike
Norikura highland
Nagano, 2005
Sphaerozosma excavatum
S. excavatum
or Spondylosium ?
12 x 9 μm
Azami-ike
Norikura highland
Nagano, 2006
Similar genus -->> Spondylosium; Onychonema;

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