Diatoms of North AmericaDiatoms of North America
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Compare Aneumastus pseudotusculus

(Hust.) E.J.Cox and D.M.Williams 2000

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Aneumastus pseudotusculus differs from A. tusculus by the finer striae and smaller valves. It differs from Mastogloia smthii by having coarser striae, a narrower central area, larger valves and by lacking partecta.

LM scalebar = 10 µm
Aneumastus Pseudotuscula LM4 Aneumastus Pseudotuscula LM3 Aneumastus Pseudotuscula LM5 Aneumastus Pseudotuscula LM1 Aneumastus Pseudotuscula LM2
Length Range
40-50 µm
Width Range
16-17 µm
Striae in 10 µm
12-16

Mastogloia albertii

Pavlov et al. 2016

Mastogloia albertii LM4 Mastogloia albertii LM5 Mastogloia albertii LM2 Mastogloia albertii LM3 Mastogloia albertii LM6 Mastogloia albertii LM1
Length Range
33-46 µm
Width Range
11-13 µm
Striae in 10 µm
15-18

Aneumastus tusculus

(Ehrenb.) D.G.Mann and Stickle in Round, R.M.Crawford and D.G.Mann 1990

Aneumastustusculus 1 Aneumastustusculus 2 Aneumastustusculus 3 Aneumastustusculus 4 Aneumastustusculus 5 Aneumastustusculus 6
Length Range
45-67 µm
Width Range
16.5-20.7 µm
Striae in 10 µm
11-12