Diatoms of North AmericaDiatoms of North America
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Compare Encyonopsis cesatii

(Rabenh.) Krammer 1997

Compare

Encyonopsis montana has rhombic-lanceolate valves and attains a much larger size (up to 75 µm long). Encyonopsis falaisensis has linear-lanceolate valves and a moderately large central area. Encyonopsis stafsholtii has rhombic-lanceolate valves with long attenuated apices and higher stria density (22-25 in 10 µm). Encyonopsis cesatiformis has wider valves (up to 7.6 µm wide) and a somewhat larger asymmetric central area.

LM scalebar = 10 µm
Encyocesatii 1 Encyocesatii 2 Encyocesatii 3 Encyocesatii 4 Encyocesatii 5 Encyocesatii 6 Encyocesatii 7
Length Range
22.0-38.8 µm
Width Range
4.6-6.0 µm
Striae in 10 µm
16-19 at the valve center, 21-22 near the apices

Encyonopsis montana

Bahls 2013

Encyonopsis Montana 1 Encyonopsis Montana 2 Encyonopsis Montana 3 Encyonopsis Montana 4 Encyonopsis Montana 5
Length Range
37-75 µm
Width Range
7.0-8.8 µm
Striae in 10 µm
19-21 at the valve center, 21-22 near the apices

Encyonopsis falaisensis

(Grunow) Krammer 1997

Encyofalaisensis 1 Encyofalaisensis 2 Encyofalaisensis 3 Encyofalaisensis 4 Encyofalaisensis 5 Encyofalaisensis 6 Encyofalaisensis 7
Length Range
19.8-36.4 µm
Width Range
5.0-6.1 µm
Striae in 10 µm
16-18 at the valve center, 19-22 near the apices

Encyonopsis stafsholtii

Bahls 2013

Estafsholtii 1 Estafsholtii 2 Estafsholtii 3 Estafsholtii 4 Estafsholtii 5 Estafsholtii 6 Estafsholtii 7
Length Range
24.9-44.7 µm
Width Range
5.1-6.3 µm
Striae in 10 µm
22-25

Encyonopsis cesatiformis

Krammer 1997

Encyonopsis Cesatiformis 1 Encyonopsis Cesatiformis 2 Encyonopsis Cesatiformis 3 Encyonopsis Cesatiformis 4 Encyonopsis Cesatiformis 5 Encyonopsis Cesatiformis 6 Encyonopsis Cesatiformis 7
Length Range
26-43 µm
Width Range
5.4-7.6 µm
Striae in 10 µm
17-19 near the valve center, 19-21 near the ends