Diatoms of North AmericaDiatoms of North America
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Compare Mastogloia calcarea

Sylvia S.Lee, E.E.Gaiser, Van de Vijver, Edlund, and S.A.Spauld. 2014

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Mastogloia calcarea has a smaller central area, higher stria count and more parallel valve margins than M. lacustris. Mastogloia calcarea is smaller in width, has a higher stria count, has more parallel valve margins, differs in location of the raphe kink, and differs in size and shape of proximal raphe ends as compared to M. pseudosmithii.

LM scalebar = 10 µm
Mastogloia calcarea LM1 Mastogloia calcarea LM2 Mastogloia calcarea LM3 Mastogloia calcarea LM4 Mastogloia calcarea LM5 Mastogloia calcarea LM6
Length Range
27-54 µm
Width Range
7-9 µm
Striae in 10 µm
19-20

Mastogloia lacustris

(Grunow) Van Heurck 1880

Mastogloia Smithii Lacustris 005A Mastogloia Smithii Lacustris 005B Mastogloia Smithii Lacustris 001A Mastogloia Smithii Lacustris 004A Mastogloia Smithii Lacustria 003A Mastogloia Smithii Lacustris 002A Mastogloia Smithii Lacustris 002B
Length Range
30-54 µm
Width Range
8-10 µm
Striae in 10 µm
15-17

Mastogloia pseudosmithii

Sylvia S.Lee, E.E.Gaiser, Van de Vijver, Edlund, and S.A.Spauld. 2014

M Pseudosmithii 2 M Pseudosmithii 1 M Pseudosmithii 3 M Pseudosmithii 4 M Pseudosmithii 6 M Pseudosmithii 5
Length Range
28-51 µm
Width Range
11-14 µm
Striae in 10 µm
16-17