Morales 2001 Category: Araphid
TYPE SPECIES: Pseudostaurosiropsis connecticutensis Morales
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 flattened and bifurcate. Valves lack rimoportulae.
To date, species have been described from Pseudostaurosiropsis, based on features visible in SEM.
Cite This Page:
Spaulding, S., and Edlund, M. (2008). Pseudostaurosiropsis. In Diatoms of the United States. Retrieved April 26, 2017, from http://westerndiatoms.colorado.edu/taxa/genus/Pseudostaurosiropsis