Home
Practitioners
Morphology
All Morphological Groups
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
About Us
About
News
Projects
Review Board
Taxon Contributors
Contact Us
What are diatoms?
Search
×
Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
About Us
News
Projects
Review Board
Taxon Contributors
Contact Us
What are diatoms?
Search taxa, citations, glossary, contributors, and images
Submit
Close search
Arachnoidiscus_ornatus_volae_1µm-1.jpg
Caption
[Currently not used. Seemed redundant with the single areola]Areolae of
Arachnoidiscus ornatus
(in SEM), each occluded by a complex vola extending from its sides. Dark areas of the vola are openings to the cell interior. Scale bar = 1 µm.
Credit
Mary Ann Tiffany