Actinella punctata is the only species of Actinella reported in North America. Actinella punctata can be differentiated from species within the genus Eunotia species by its heteropolar valve shape and from Peronia species by the position of the raphe branches on the ventral face of the mantle at the proximal ends.
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.