Spaulding, S.,
Edlund, M.
(2008).
Pseudostaurosiropsis.
In Diatoms of North America.
Retrieved November 21, 2024, from https://diatoms.org/genera/pseudostaurosiropsis
Araphid
Pseudostaurosiropsis
Striae uniseriate, radial
Apical porefield present at each pole
Valve margin spinose
Spines flattened, bifurcate
Pseudostaurosiropsis includes species that are small, with elliptic to rounded valves. The striae are uniseriate, composed of 2-6 round areolae externally occluded with discoid volae. Two apical porefields are present, composed of a few, isolated pores. Spines are present at the valve margin, aligned with a stria. The spines are...