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The World of Protozoa, Rotifera, Nematoda and Oligochaeta


Uroglena Ehrenberg (ref. ID; 1618)

[ref. ID; 1618]
Spherical or ovoidal colony, composed of ovoid or ellipsoidal individuals arranged on periphery of a gelatinous mass; all individuals connected with one another by gelatinous processes running inward and meeting at a point; with a stigma and a plate-like chromatophore; asexual reproduction of individuals by longitudinal fission, that of colony by bipartition; cysts spherical with spinous projections, and a long tubular process; fresh water. One species. (ref. ID; 1618)

[ref. ID; 3490]
Cells are connected with the dichotomously branched gelatinous treads in the hyaline matrix. (ref. ID; 3490)
  1. Urogelna volvox Ehrenberg (ref. ID; 1618, 3490)

Urogelna volvox Ehrenberg (ref. ID; 1618, 3490)


In standing water. (ref. ID; 1618)


The species differs from Uroglenopsis americana in having dicotomas threads and in a smaller colony. (ref. ID; 3490)


Cells 12-20 by 8-13 um; colony 40-400 um in diameter. (ref. ID; 1618)