36 (35) Test is relatively large and robust. Length 0.60-0.80 mm. a, b. 



Opposite sides; c, top view Miliamminafusca 



X100 



36 {35) Test is relatively small, slender, and elongate. Length 0.32-0.40 mm. a. Side view; 



b, top view Miliammina petila 



37 (35) Spiral coiling is approximately in a plane (planispiral) and involute 38 



37 (35) Spiral coiling is trochoid (rotaline) and evolute on one side 42 



38 (37) Aperture is at the base of the final chamber 39 



iS (37) Aperture is within the face of the final chamber 41 



39 (38) Coiling is slightly asymmetrical; test is subglobular; 

 aperture is low and inconspicuous, at one side of the 

 aperlural face. Diameter 0.25-0.45 mm. a. Side 

 view; b, front view Adercotryma glomeratum 



X75 



39 (38) Coiling is strictly planispiral 40 



15 



