Compare Oxyneis binalis var. elliptica
Compare
Oxyneis binalis has panduriform valves and higher stria (16-18 in 10 µm) and septum density (6-8 in 10 µm). Oxyneis apporrecta, an extinct Eocene taxon, has more narrow, panduriform valves.
LM scalebar = 10 µm
Length Range
9.3-9.8 µm
9.3-9.8 µm
Width Range
3.5-4.5 µm
3.5-4.5 µm
Striae in 10 µm
14-16
14-16
Oxyneis binalis
Length Range
11.7-20.1 µm
11.7-20.1 µm
Width Range
2.2-3.7 at the valve center, 6.3-8.4 at the widest part of the valve µm
2.2-3.7 at the valve center, 6.3-8.4 at the widest part of the valve µm
Striae in 10 µm
16-18 at center valve
16-18 at center valve