Bishop, I.,
Spaulding, S.
(2014).
Krasskella.
In Diatoms of North America.
Retrieved October 09, 2024, from https://diatoms.org/genera/krasskella
Symmetric Biraphid
Krasskella
Valves small
Proximal raphe ends distant
Striae composed of an elongate areola on valve face
Valves are small and elongate. The axial and central areas are linear. Striae composed of an elongate areola on valve face and a circular areola on the valve mantle. The proximal raphe ends distant and the raphe fissures are slightly oblique. Helictoglossae at the proximal and distal raphe ends are not well developed. Frustules...