world of amoeboid organisms

Menu
Difflugia fragosa
Difflugia fragosa – after Hempel, 1902

Difflugia fragosa Hempel, 1902

Diagnosis: Shell composed of fine sandgraines, irregular in form, about one and a half times as long as wide, widest at fundus, thence tapering to the mouth where it is slightly constricted; mouth irregular, slightly notched. Fundus with one to eight spines or bulges, rounded at tip. These originate at about the middle of the test, giving an irregular outline to the test when seen from above. Pseudopodia simple, fine and few in number.

Dimensions: Length 230 µm, width 150 µm.

Ecology: Freshwater, Illinois River, USA

Literature: Hempel, A. (1902): A list of the Protozoa and Rotifera found in the Illinois River and adjacent lakes at Havana – Bull. Illinois State Labor. of Nat. Hist., Urbana, Ill., p. 320-321.

Recent posts

Sphenoderia compressa

Sphenoderia compressa, after Badewitz, 2002 Sphenoderia compressa Badewitz, 2002 Diagnosis: Test ovoid, oval in cross section, hyaline, covered with relatively small, oval, rather irregularly arranged

Read More »

Tracheleuglypha elongata

T. elongata, A-C after Thomas and Gauthier-Lièvre, 1959; D after Van Oye, 1959 Tracheleuglypha elongata Van Oye, 1959 Diagnosis: Test similar to T. dentata, but

Read More »

Tracheleuglypha acolla

T. acolla, after Bonnet and Thomas, 1960 Tracheleuglypha acolla Bonnet and Thomas, 1955 Diagnosis: Test ovoid, non compressed, round in cross-section, with large oval overlapping

Read More »

Cyclopyxis kahli oblonga

C. kahli f. oblonga , after Tarnogradskii, 1959 Cyclopyxis kahli f. oblonga  (Tarnogradskii, 1959) Centropyxis kahli f. oblonga Tarnogradskii, 1959 Diagnosis:  Test with all the

Read More »

Cyclopyxis leclercqi

Cyclopyxis leclercqi – from Beyens and Chardez, 1986 Cyclopyxis leclercqi Beyens and Chardez, 1986 Diagnosis: Shell circular in apertural view, dorso-ventrally compressed with a swollen

Read More »

Haplomyxa saranae

Haplomyxa saranae Dellinger, 2014 Diagnosis: cell body from small rounded (0.1 mm) to large elongated shape (up to 3.5 x 0.3 mm), usually flat but

Read More »