Figure 39: Diaphanotheca in Fusulina distenta
A: slightly oblique, imperfectly centered axial section; B: detail of A showing diaphanotheca in axial section of adult whorls; C: equatorial section showing diaphanotheca extending over septal faces; D: detail of other specimen.
c*: choma; dth: diaphanotheca; pr: megalosphere. Note presence of some kind of flexostyle. s: septum; t: tunnel.