Compare Staurosirella neopinnata
SEM may be needed to distinguish Staurosirella and Punctastriata species.
Staurosirella pinnata has a higher stria density.
Staurosirella lapponica has a broader sternum, lower stria density, and more pointed apices.
Staurosirella mutabilis has a broader sternum, with up to 6 µm, and large linking spines.
Staurosirella ovata has a lower stria density and more developed apical porefield.
LM scalebar = 10 µm
Length Range
6-33 µm
6-33 µm
Width Range
4-6 µm
4-6 µm
Striae in 10 µm
8-10
8-10
Length Range
4-10 µm
4-10 µm
Width Range
3-4 µm
3-4 µm
Striae in 10 µm
11-14
11-14
Also compare to
Staurosirella lapponica
BioData Reference
Krammer and Lange-Bertalot 2/3 Pl 134 Fig 1-7
Staurosirella mutabilis
BioData Reference
Van de Vijver et al. 2022