Diatoms of North AmericaDiatoms of North America

E_macroglossa_rimo_helic_1.jpg

  • Glossary Term
    Helictoglossa
  • Caption
    This image is a scanning electron micrograph of the internal distal valve of Eunotia macroglossa, showing the helictoglossa positioned on the valve mantle.
  • Credit
    Paula Furey
E Macroglossa Rimo Helic 1

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