Spaulding, S.
(2013).
Punctastriata.
In Diatoms of North America.
Retrieved December 03, 2024, from https://diatoms.org/genera/punctastriata
Araphid
Punctastriata
Striae composed of net-like areolae
Spines located on costae
Valves linear elliptic and may possess a central inflation. The striae are composed of a rectangular net of transapical and apical bars. Spines are present at the valve face/mantle junction on the costae, interrupting the striae, or both positions. The spines are variable in form. According to Williams and Round (1987) one apical...