Compare Sellaphora schadei
Compare
Sellaphora pulchra has a higher stria density.
Sellaphora javanica is larger, more elongate, and has a broader central area.
Sellaphora japonica has rostrate apices in the size range.
Sellaphora digna is similar in valve outline, but has a larger size range and nearly rectangular central area.
Sellaphora glomus was transferred from Navicula (Gluschenko et al. 2023) and is also shown in Krammer and Lange-Bertalot (1989, Fig. 71, 39) and is stated to have a greater stria density (30-32 striae in 10 µm).
LM scalebar = 10 µm
Length Range
10.5-14.1 µm
10.5-14.1 µm
Width Range
4.8-5.6 µm
4.8-5.6 µm
Striae in 10 µm
24-28
24-28
Sellaphora pulchra
Length Range
7.6-13.3 µm
7.6-13.3 µm
Width Range
3.3-4.0 µm
3.3-4.0 µm
Striae in 10 µm
30-40 around central area, 35-45 from mid-valve to apices
30-40 around central area, 35-45 from mid-valve to apices
Sellaphora japonica
Length Range
13-24.5 µm
13-24.5 µm
Width Range
5.4-6.1 µm
5.4-6.1 µm
Striae in 10 µm
24-26 at mid-valve, 28 at the ends
24-26 at mid-valve, 28 at the ends