Spaulding, S.,
Edlund, M.,
Metzeltin, D.
(2009).
Aneumastus.
In Diatoms of North America.
Retrieved November 21, 2024, from https://diatoms.org/genera/aneumastus
Symmetric Biraphid
Aneumastus
Areolae complex
Valves lanceolate, with capitate, rostrate or apiculate ends
Valve face flat
Valve mantle narrow
Species of the genus Aneumastus are typically lanceolate, with capitate or rostrate ends. The valve face is flat, with a narrow valve mantle. The striae are uniseriate over most of valve face, biseriate near the valve mantle and composed of complex areolae. The areolae open into deep pits internally, a feature visible in SEM. The raphe...