Fig. 1. Diagrammatic representation of the 10 known Paulinella species, emphasizing overall differences in test sizes and shapes.

P. ovalis (Wulff) Johnson, Hargraves & Sieburth;
P. intermedia Vørs;
P. indentata Hannah, Rogerson & Anderson;
P. carsoni Nicholls, 2009
P. agassizi sp. nov.;
P. suzukii Nicholls, 2009
P. chromatophora Lauterborn
P. gigantica Nicholls, 2009
P. multipora Nicholls, 2009
P. lauterborni Nicholls, 2009

After Nicholls, 2009

Recent posts

Difflugia bicruris

Difflugia bicruris, after Gauthier-Lièvre et Thomas, 1958 Difflugia bicruris  Gauthier-Lièvre et Thomas, 1958 Diagnosis: Test elongate ovoid, in cross section circular, with almost parallel sides;

Read More »

Difflugia congolensis

Difflugia congolensis, after Gauthier-Lièvre et Thomas, 1958 Difflugia congolensis  Gauthier-Lièvre et Thomas, 1958 Diagnosis: Test elongate pyriform, acuminate, with a spine of variable size and

Read More »

Difflugia key ovoid

Difflugia Ovoid Group Key characters: Test ovoid, in cross section rounded. Pseudostome circular. 1 Test with collar or short neck 2 1′ Test without collar

Read More »