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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
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Glossary
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What are diatoms?
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External_rimoportula_openings_on_mantle_10000X_copy.jpg
Species
Melosira undulata
Site ID
MDC 492301
Name
Giant Springs, Cascade County, Montana
Caption
External openings of rimoportulae on mantle
Coordinates
47.5350, -111.2278
Notes
Note vertical striae composed of interconnected areolae.
Scalebar = 5 µm
