Guðmundsson, Guðmundur; Cedhagen, Tomas; Andersen, Tom
Taxonomy and distribution of recent species of the subfamily Nodosariinae (Foraminifera) in Icelandic waters
Fig. 15. Pseudonodosaria subannulata (Cushman, 1923). A, C. Megalosphere (BIOICE 2869, IIHN40054), specimen with nearly horizontal sutures (A) and aperture (C). B, D. Megalosphere (BIOICE 2856, IIHN40017), specimen with irregularly slanted sutures (B) and aperture (D). Light source combination of incident light and dark field. Scale bars = 0.25 mm.