Spaulding, S.,
Edlund, M.
(2008).
Hippodonta.
In Diatoms of North America.
Retrieved September 14, 2024, from https://diatoms.org/genera/hippodonta
Symmetric Biraphid
Hippodonta
Striae distinct, broad
Striae uniseriate or biseriate
Valve termini with polar bars
Species in Hippodonta possess thick, heavily silicified valves. Valves are generally lanceolate in valve outline with variously shaped poles. The striae are distinct, broad and may be uni-seriate or biseriate. The valve termini are thickened bands of silica, termed polar bars.The raphe is straight and the proximal raphe ends are dilated....