Encyonopsis cesatii and E. falaisensis have smaller, narrowly lanceolate valves. Encyonopsis montana has larger, rhombic-lanceolate valves and more strongly radiate striae near the apices.
LM scalebar = 10 µm
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