Spaulding, S.
(2013).
Punctastriata.
In Diatoms of North America.
Retrieved February 06, 2025, from https://oldcraft3.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...