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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Microgromia

Microgromia Hertwig & Lesser (ref. ID; 1618)

ref. ID; 1618

Test small, hyaline, spherical or pyriform, not compressed; aperture terminal, circular; filopodia long straight or anastomosing, arising from a peduncle; a single nucleus and contractile vacuole; solitary or grouped. (ref. ID; 1618)

ref. ID; 1923

Shell globular, aperture with an internal lamella laterally situated. (ref. ID; 1923)

ref. ID; 5694

Amoeboid protists. (ref. ID; 5694)
  1. Microgromia elegantula Penard (ref. ID; 3491)
  2. Microgromia longisaepimen (ref. ID; 4684)
  3. Microgromia socialis (Archer) (ref. ID; 1618) or R. Hertwig (ref. ID; 1923, 3693)

Microgromia socialis (Archer) (ref. ID; 1618) or R. Hertwig (ref. ID; 1923, 3693)

Descriptions

Cytoplasm bluish; contractile vacuole near aperture; filopodia arise from a peduncle, attenuate, branching, anastomosing; often numerous individuals are grouped; multiplication by fission and also by swarmers; among vegetation in fresh water. (ref. ID; 1618)

Shell rigid, with a short neck. Pseudopodia long, anastomosing, arising from a peduncle at the aperture. This peduncle is precisely limited by the internal lamella. Sometimes colonies are formed. Habitat standing water. (ref. ID; 1923)

Measurements

Diameter 25-35 µm. (ref. ID; 1618)

Length 20 µm. (ref. ID; 1923)