Diatoms of North AmericaDiatoms of North America
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Compare Encyonema lunatum

(W.Sm.) Van Heurck 1880

Compare

Encyonema neogracile and E. pergracile have wider valves with nearly flat to slightly convex ventral margins and narrower apices. Valves of E. paucistriatum have flat ventral margins and a lower stria density.

LM scalebar = 10 µm
Encyonema lunatum LM1 Encyonema lunatum LM2 Encyonema lunatum LM3 Encyonema lunatum LM4 Encyonema lunatum LM5 Encyonema lunatum LM6
Length Range
27.3-40.7 µm
Width Range
4.3-5.3 µm
Striae in 10 µm
9-14

Encyonema neogracile

Krammer 1997

Encyonema neogracile LM1 Encyonema neogracile LM2 Encyonema neogracile LM3 Encyonema neogracile LM4 Encyonema neogracile LM5 Encyonema neogracile LM6
Length Range
18.7-41.3 µm
Width Range
5.5-6.7 µm
Striae in 10 µm
12-15

Encyonema pergracile

Krammer 1997

Encyonema pergracile LM1 Encyonema pergracile LM2 Encyonema pergracile LM3 Encyonema pergracile LM4 Encyonema pergracile LM5
Length Range
32-48 µm
Width Range
6.5-7.8 µm
Striae in 10 µm
11-13

Encyonema paucistriatum

(A.Cleve) D.G.Mann 1990

Encyonema paucistriatum LM1 Encyonema paucistriatum LM2 Encyonema paucistriatum LM4 Encyonema paucistriatum LM3 Encyonema paucistriatum LM5 Encyonema paucistriatum LM6 Encyonema paucistriatum LM7
Length Range
25.0-38.8 µm
Width Range
4.9-6.1 µm
Striae in 10 µm
8-11