Clathrulina

Clathrulina Cienkowsky, 1867 (ref. ID; 3541) reported year? (ref. ID; 1923) or Cienkowski, 1867 (ref. ID; 4731) reported year? (ref. ID; 1618)

Synonym Podosphaera Archer, 1868 (ref. ID; 3541)

[ref. ID; 1618]
Envelope spherical, homogeneous, with numerous regularly arranged openings; with a stalk; protoplasm central, not filling the capsule; nucleus central; pseudopodia numerous, straight or forked, granulated; fresh water. (ref. ID; 1618)

[ref. ID; 1923]
Envelope or capsule spherical, homogenous, pedunculate. (ref. ID; 1923)

  1. Clathrulina cienkowskii Mereschkowsky, 1879 emend. Penard (ref. ID; 3691), cienkowskyi Mereschkowsky, 1878 (ref. ID; 3541)
  2. Clathulina elegans Cienkowsky, 1867 (ref. ID; 3541, 3691) reported year? (ref. ID; 1923) or Cienkowski (ref. ID; 1618)
    Syn; Clathrulina ovalis Deflandre, 1926 (ref. ID; 3541); Podosphaera haeckeliana Archer, 1868 (ref. ID; 3541, 3691)
  3. Clathrulina ovalis Deflandre, 1926
    See; Clathrulina elegans Cienkowsky, 1867 (ref. ID; 3541)
  4. Clathrulina stuhlmanni Schaudinn, 1897 (ref. ID; 3541, 3691)

Clathulina elegans Cienkowsky, 1867 (ref. ID; 3541, 3691) reported year? (ref. ID; 1923) or Cienkowski (ref. ID; 1618)

Synonym

Clathrulina ovalis Deflandre, 1926 (ref. ID; 3541); Podosphaera haeckeliana Archer, 1868 (ref. ID; 3541, 3691)

Descriptions

Envelope colorless to brown, perforated by numerous comparatively large circular or polygonal openings; one or more contractile vacuoles; nucleus central; solitary or colonial; among vegetation in ponds. (ref. ID; 1618)
Envelope more or less chitinous, perforated by numerous large opening usually regularly placed. Protoplasm not filling the test. Nucleus single, placed centrally. One or more contractile vacuoles. Pseudopodia very delicate, without axial filaments. (ref. ID; 1923)

Habitat

Sphagnum swamps and among aquatic plants; very common in some localities. (ref. ID; 1923)

Measurements

Diameter 60-90 um; openings 6-10 um; length of stalk two to four times the diameter of envelope, 3-4 um wide. (ref. ID; 1618)
Diameter of envelope 60-90 um. (ref. ID; 1923)