PSEUDOWANGANELLA Sosnina, 1983

 

 

Type species: Pseudowanganella tenuitheca Sosnina, 1983; OD.

Pseudowanganella Sosnina, 1983 (*3040), p. 41.

Test narrow and elongate, up to 1.0 mm in length, slightly flattened and elliptical in section, uniserial, rectilinear to slightly arcuate, enlarging gradually, chambers numerous, arched centrally, and overlapping at the periphery, resembling a series of nested cups, interior subdivided by vertical radial parti­tions produced by an infolding of the outer wall, and forming narrow vertical channels in the wall; sutures obscure externally, septa somewhat thickened adjacent to the aperture; wall calcareous, thin; aperture terminal, rounded, with thickened rim. U. Permian; USSR: S. Primorye.