Diatoms of North AmericaDiatoms of North America
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Compare Entomoneis paludosa

(W.Sm.) Reimer 1975

Compare

The junction lines of E. alata and E. ornata have multiple bulges or swellings. The junction line of E. punctulata is abbreviated and restricted to the terminal portion of the lobe of each keel.

LM scalebar = 10 µm
Entomoneis paludosa LM1 Entomoneis paludosa LM2 Entomoneis paludosa LM3 Entomoneis paludosa LM4 Entomoneis paludosa LM5 Entomoneis paludosa LM6 Entomoneis paludosa LM7
Length Range
38-85 µm
Width Range
19-31 (girdle view) µm
Striae in 10 µm
20-26

Entomoneis alata

(Ehrenb.) Ehrenb. 1845

Entomalata1 Entomalata2 Entomalata3 Entomalata4 Entomalata5 Entomalata6 Entomalata7
Length Range
48-129 µm
Width Range
9.7-10.1 (valve, excluding keels); 14.9-18.8 (valve, including keels); 32-42 (girdle view) µm
Striae in 10 µm
15-18

Entomoneis ornata

(J.W.Bailey) Reimer 1975

Entomornata1 Entomornata2 Entomornata3 Entomornata4 Entomornata5 Entomornata6 Entomornata7
Length Range
71-93 µm
Width Range
23-43 (girdle view) µm
Striae in 10 µm
20-24

Entomoneis punctulata

(Grunow) K.Osada and H.Kobayasi 1990

Entomoneis punctulata LM1 Entomoneis punctulata LM2 Entomoneis punctulata LM3 Entomoneis punctulata LM4 Entomoneis punctulata LM6 Entomoneis punctulata LM5
Length Range
29-45 µm
Width Range
7.0-11.4 (valve height, including keel) µm
Striae in 10 µm
36-40