Compare Pleurosigma delicatulum
Pleurosigma inflatum is smaller and the raphe is eccentric distal from the central area.
Pleurosigma salinarum var. boyeri rarely exceeds 100 µm in valve length. P
leurosigma elongatum has a minimum width of 20 µm, which is the maximum width for P. delicatulum.
LM scalebar = 10 µm
Length Range
141-183 µm
141-183 µm
Width Range
15-18 µm
15-18 µm
Striae in 10 µm
19-23 transverse; 16-21 diagonal
19-23 transverse; 16-21 diagonal
Length Range
65-75 µm
65-75 µm
Width Range
16-19 µm
16-19 µm
Striae in 10 µm
28-32
28-32
Also compare to
Pleurosigma elongatum
BioData Reference
Krammer and Lange-Bertalot 2/1 Pl 113 Fig 4
Pleurosigma salinarum var. boyeri
BioData Reference
Patrick and Reimer 1966 Pl 27 Fig 4a-c