Compare

Encyonopsis descripta and E. descripta var. asymmetrica have capitate apices. The central area of E. descripta var. asymmetrica is distinctly asymmetric. Encyonopsis czarneckii, E. dakotae, and E. medicinalis have smaller, asymmetric central areas.

LM scalebar = 10 µm
Encyonopsis Descripta 2 Encyonopsis Descripta 3 Encyonopsis Descripta 5 Encyonopsis Descripta 4 Encyonopsis Descripta 7
Length Range
22.6-34.1 µm
Width Range
5.6-6.7 µm
Striae in 10 µm
18-20 at valve center, 20-22 near the apices

Encyonopsis czarneckii

L.L.Bahls 2013

Encyonopsis Czarneckii 1 Encyonopsis Czarneckii 2 Encyonopsis Czarneckii 3 Encyonopsis Czarneckii 4 Encyonopsis Czarneckii 5 Encyonopsis Czarneckii 6 Encyonopsis Czarneckii 7
Length Range
19.6-30.1 µm
Width Range
3.7-5.2 µm
Striae in 10 µm
22-24 at the valve center, 24-26 near the apices

Encyonopsis dakotae

L.L.Bahls 2013

Encyodescripta1 Encyodescripta2 Encyodescripta3 Encyodescripta4 Encyodescripta5 Encyodescripta6
Length Range
24-32 µm
Width Range
4.8-6.5 µm
Striae in 10 µm
18-20 at the valve center, 21-23 at the apices

Encyonopsis descripta

(Hust.) Krammer 1997

Encyonopsis Descripta3 Encyonopsis Descripta7 Encyonopsis Descripta6 Encyonopsis Descripta1 Encyonopsis Descripta2
Length Range
25.7-29.9 µm
Width Range
5.4-6.6 µm
Striae in 10 µm
18-20 at valve center, 20-22 near the apices

Encyonopsis medicinalis

L.L.Bahls 2013

Encyonopsismedicinalis1 Encyonopsismedicinalis2 Encyonopsismedicinalis3 Encyonopsismedicinalis4 Encyonopsismedicinalis5 Encyonopsismedicinalis6 Encyonopsismedicinalis7
Length Range
14.0-21.4 µm
Width Range
4.8-5.9 µm
Striae in 10 µm
20-23 at the valve center, 22-24 near the apices

Also compare to

Encyonopsis descripta var. asymmetrica

Krammer 1997