Tryblionella granulata guide1
  1. Valves elliptic to elliptic-lanceolate
  2. Apices rounded to slightly cuneate
  3. Fibulae equally spaced
  4. Striae coarse

Valves are elliptic to elliptic-lanceolate. Apices are rounded to slightly cuneate. Fibulae are equally spaced. Striae are very coarse.

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.