Diatoms of North AmericaDiatoms of North America
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Compare Neidiopsis levanderi

(Hust.) Lange-Bert. and Metzeltin in Lange-Bert. and Genkal 1999

Compare

Neidiopsis hamiltonii has lanceolate valves with smooth (not triundulate) margins. Neidiopsis wulffii has linear-elliptic valves with short protracted apices and proximal raphe ends that are deflected to the same side. Neidiopsis weilandii and N. vekhovii also have proximal raphe ends that are bent to one side. In Neidium species, proximal raphe ends are hooked towards opposite sides of the valve.

LM scalebar = 10 µm
Neidiopsis levanderi LM5 Neidiopsis levanderi LM4 Neidiopsis levanderi LM3 Neidiopsis levanderi LM2 Neidiopsis levanderi LM1
Length Range
27-47 µm
Width Range
6.6-8.9 µm
Striae in 10 µm
21-24

Neidiopsis wulffii

(J.B.Petersen) Lange-Bert. in Lange-Bert. and Genkal 1999

Neidiopsis wulffii LM6 Neidiopsis wulffii LM5 Neidiopsis wulffii LM4 Neidiopsis wulffii LM3 Neidiopsis wulffii LM2 Neidiopsis wulffii LM1
Length Range
39-48 µm
Width Range
9.4-11.4 µm
Striae in 10 µm
16-18

Neidiopsis hamiltonii

Bahls 2014

Neidiopsis hamiltonii LM1 Neidiopsis hamiltonii LM2 Neidiopsis hamiltonii LM3 Neidiopsis hamiltonii LM4 Neidiopsis hamiltonii LM5 Neidiopsis hamiltonii LM6 Neidiopsis hamiltonii LM7
Length Range
19.5-43.6 µm
Width Range
6.0-8.3 µm
Striae in 10 µm
22-24

Neidiopsis weilandii

Bahls 2014

Neidiopsis weilandii LM3 Neidiopsis weilandii LM1 Neidiopsis weilandii LM2 Neidiopsis weilandii LM4 Neidiopsis weilandii LM5 Neidiopsis weilandii LM6 Neidiopsis weilandii LM7
Length Range
39.4-65.1 µm
Width Range
9.0-11.4 µm
Striae in 10 µm
18-20

Also compare to

Neidiopsis vekhovii

Lange-Bert. and Genkal 1999