Diatoms of North AmericaDiatoms of North America
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Compare Cymbopleura heinii

Lange-Bert. and Krammer in Lange-Bert. and Genkal 1999

Compare

Cymbopleura crassipunctata has lanceolate valves, bulbous proximal raphe ends, and lower areola density. Cymbopleura subrostrata is larger with more distinctly hooked proximal raphe ends and lower areola density. The raphe of C. subrostrata is not reverse lateral.

LM scalebar = 10 µm
Cymbopleura heinii LM1 Cymbopleura heinii LM2 Cymbopleura heinii LM3 Cymbopleura heinii LM4 Cymbopleura heinii LM5 Cymbopleura heinii LM6 Cymbopleura heinii LM7
Length Range
100-207 µm
Width Range
27-39 µm
Striae in 10 µm
8-10 at the valve center, 14-16 at the apices

Cymbopleura crassipunctata

Krammer 2003

Cymbopleura crassipunctata LM1 Cymbopleura crassipunctata LM2 Cymbopleura crassipunctata LM3 Cymbopleura crassipunctata LM5 Cymbopleura crassipunctata LM4
Length Range
111-171 µm
Width Range
29-37 µm
Striae in 10 µm
8-13

Cymbopleura subrostrata

(Cleve) Krammer 2003

Cymbosubrostrata1 Cymbosubrostrata2 Cymbosubrostrata3 Cymbosubrostrata4 Cymbosubrostrata5 Cymbosubrostrata6 Cymbosubrostrata7
Length Range
153-255 µm
Width Range
39-50 µm
Striae in 10 µm
8-10 at the valve center, 13-16 at the apices