Sphaerastrum

Sphaerastrum Greeff, 1873 (ref. ID; 3691) reported year? (ref. ID; 1618), Greeff, 1875 emend. Mikrjukov, 1996 (ref. ID; 4879) or Archer, 1867 (ref. ID; 3541)

Family Heterophryidae Poche (ref. ID; 4879)

See Raphidiophrys

[ref. ID; 1618]
Somewhat flattened; greater part of axopodia and body covered by a thick gelatinous mantle; a central granule and an eccentric nucleus; fresh water. (ref. ID; 1618)

[ref. ID; 4879]
Emended diagnosis; Centrohelid heliozoa with the cell body covered by a mucous coat and a thick jacket of mainly tangential organic spicules. Siliceous elements in the cell envelope are absent. One species: S. fockii (Archer, 1869), emend. (ref. ID; 4879)

  1. Sphaerastrum conglobatum Archer, 1876 (ref. ID; 3541) reported year? (ref. ID; 3691)
    See; Heterophrys fockei Archer, 1869 (ref. ID; 3541, 3691)
  2. Sphaerastrum conglobatum Greeff, 1873
    See; Raphidiophrys elegans Hertwig & Lesser, 1874 (ref. ID; 3541)
  3. Sphaerastrum fockei Archer, 1876 (ref. ID; 3541) reported year? (ref. ID; 3691)
    See; Heterophrys fockei Archer (ref. ID; 3691)
  4. Sphaerastrum fockei Doflein, 1909
    See; Raphidiophrys elegans Hertwig & Lesser, 1874 (ref. ID; 3541)
  5. Sphaerastrum fockei Greeff (ref. ID; 1618)
  6. Sphaerastrum fockei West, 1901
    See; Heterophrys fockei Archer, 1869 (ref. ID; 3541)
  7. Sphaerastrum fockii (Archer, 1876) Mikrjukov, 1996 (ref. ID; 4879)
    Syn; Heterophrys fockii Archer, 1869 (ref. ID; 4879)

Sphaerastrum fockei Greeff (ref. ID; 1618)

Descriptions

Often colonial; in swamps. (ref. ID; 1618)

Measurements

Diameter about 30 um. (ref. ID; 1618)

Sphaerastrum fockii (Archer, 1876) Mikrjukov, 1996 (ref. ID; 4879)

Synonym

Heterophrys fockii Archer, 1869 (ref. ID; 4879)

Emended diagnosis

Cells 18-30 um in diameter, surrounded by a dense mucous coat, ca. 6 um in width. Spicules are tangential or subtangential, ca. 30-40 um in length, thin, uniform width, tapering towards sharp apices. Fresh water. (ref. ID; 4879)