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This small species has subrostrate apices and fine striae. The shape of the apices and high stria density distinguish it from other small species such as N. innominata and N. inconspicua.

LM scalebar = 10 µm
Fonticuloides 002 Fonticuloides 003 Fonticuloides 001 Fonticuloides 004B Fonticuloides 004
Length Range
9-16 µm
Width Range
3-4 µm
Striae in 10 µm
33-35

Nitzschia innominata

Sovereign 1958

Innominata 009 Innominata 004Tif Innominata 003 Innominata 002 Innominata 006 Innominata 008
Length Range
6-14 µm
Width Range
2-3 µm
Striae in 10 µm
26-30

Nitzschia fonticola

(Grunow) Grunow in Van Heurck 1881

Fonticola 001 Fonticola 004 Fonticola 002 Fonticola 011 Fonticola 005 Fonticola 003 Fonticola 007
Length Range
10-55 µm
Width Range
2.5-4.5 µm
Striae in 10 µm
24-27

Nitzschia inconspicua

Grunow 1860

Nitzschia inconspicua LM2 Nitzschia inconspicua LM3 Nitzschia inconspicua LM6 Nitzschia inconspicua LM1 Nitzschia inconspicua LM5 Nitzschia inconspicua LM7
Length Range
5.4-13 µm
Width Range
2.4-3.3 µm
Striae in 10 µm
24-30

Nitzschia soratensis

Morales and Vis 2007

Nitzschia soratensis LM5 Nitzschia soratensis LM1 Nitzschia soratensis LM2 Nitzschia soratensis LM6 Nitzschia soratensis LM3 Nitzschia soratensis LM4
Length Range
3-17 µm
Width Range
2.0-3.3 µm
Striae in 10 µm
27-30

Also compare to

Nitzschia frustulum

(Kütz.) Grunow in Cleve and Grunow

BioData Reference
Krammer and Lange-Bertalot 2/2 Pl 68 Fig 1-8

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