Diatoms of North AmericaDiatoms of North America
Return to overview

Guide to Navicula cryptocephaloides

Hust. 1937

Navicula Cryptocephaloides Guide
Credit: Loren Bahls
  1. Valves lanceolate
  2. Apices acutely rounded, weakly protracted
  3. Proximal raphe ends straight
  4. Central striae radiate and straight
  5. Areolae about 24 in 10 µm

Valves are lanceolate, with acutely rounded and weakly protracted apices. The proximal raphe ends are straight. The central striae are radiate and straight. Areolae within the striae are relatively coarse and easily resolved in LM.

Diatoms of North America is running a fundraising campaign to keep the servers in operation. We need you to reach our $25,000 fundraising goal.

If you use and appreciate DONA, make your DONAtion today.

For the Gift Designation, type "diatom" in the search box and select "Diatom Lab Research Fund". This is the designated fund for diatoms.org.

Donate today