Compare Surirella librile
This species is more elongate, as compared to other species occurring in the North American flora, such as C. cochlea and Surirella undulata (=Cymatopleura elliptica).
LM scalebar = 10 µm
Length Range
56-280 µm
56-280 µm
Width Range
13-24 at the midsection, 15-36 at the broadest point µm
13-24 at the midsection, 15-36 at the broadest point µm
Striae in 10 µm
29-34
29-34
Length Range
64-133 µm
64-133 µm
Width Range
45-67 µm
45-67 µm
Striae in 10 µm
23-30
23-30
