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