Compare Frustulia latita
Compare
The longitudinal ribs of F. latita are incomplete at the central area, while the ribs of F. soror and F. capitata are complete on one side (the side to which the proximal raphe ends are deflected). Longitudinal ribs are absent in F. creuzburgensis. The central areas of F. soror and F. capitata are borth more linear than that of F. latita. In addition, the stria density is higher in F. soror than in F. latita. Compared to F. weinholdii, valves of F. latita are less elliptic in shape.
LM scalebar = 10 µm
Length Range
32.0-48.0 µm
32.0-48.0 µm
Width Range
8.0-10.0 µm
8.0-10.0 µm
Striae in 10 µm
30-32 at the center, 33-35 at the ends
30-32 at the center, 33-35 at the ends
Frustulia creuzburgensis
Length Range
26.0-38.0 µm
26.0-38.0 µm
Width Range
6.0-8.0 µm
6.0-8.0 µm
Striae in 10 µm
24-26 at the center, 28-30 at the ends
24-26 at the center, 28-30 at the ends
Frustulia soror
Length Range
28.5-52.0 µm
28.5-52.0 µm
Width Range
7.5-9.5 µm
7.5-9.5 µm
Striae in 10 µm
34-36 at the center, 35-37 at the ends
34-36 at the center, 35-37 at the ends
Frustulia capitata
Length Range
26.0-43.0 µm
26.0-43.0 µm
Width Range
7.0-8.5 µm
7.0-8.5 µm
Striae in 10 µm
34-36 at the center, 35-38 at the ends
34-36 at the center, 35-38 at the ends
Also compare to
Frustulia weinholdii
BioData Reference
Lange-Bertalot 2001 Pl 133 Fig 5-7