Diatoms of North AmericaDiatoms of North America
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Compare Adlafia detenta

(Hust.) Heudre et al. 2018

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Cavinula pusio, which sometimes occurs in the same habitats, has larger valves and alternate short-long-short striae around the central area.

LM scalebar = 10 µm
Navicula detenta LM7 Navicula detenta LM6 Navicula detenta LM5 Navicula detenta LM4 Navicula detenta LM3 Navicula detenta LM2 Navicula detenta LM1
Length Range
16-19 µm
Width Range
5.8-6.8 µm
Striae in 10 µm
28-32

Cavinula pusio

(Cleve) Lange-Bert. in Werum and Lange-Bert. 2004

Caloneis budensis LM1 Caloneis budensis LM2 Caloneis budensis LM3 Caloneis budensis LM4 Caloneis budensis LM5 Caloneis budensis LM6 Caloneis budensis LM7
Length Range
18.9-22.8 µm
Width Range
9.2-10.8 µm
Striae in 10 µm
30-36 in 10 µm at the valve center, including short striae; a little closer at the apices