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Diatoms of North America
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Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
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Images of
Psammothidium
pennsylvanicum
Potapova 2012
Type Specimen
Slide Number
ANSP GC58966
Site ID
ANSPGCM4331
Site Name
Little Morris Run, Pennsylvania
Coordinates
41.55, -77.53
Scalebar = 10 µm
Slide Number
ANSP GC58966
Site ID
ANSPGCM4331
Site Name
Little Morris Run, Pennsylvania
Coordinates
41.55, -77.53
Scalebar = 10 µm
Slide Number
ANSP GC58965
Site ID
ANSPGCM4331
Site Name
Little Morris Run, Pennsylvania
Coordinates
41.55, -77.53
Scalebar = 10 µm
Slide Number
ANSP GC58965
Site ID
ANSPGCM4331
Site Name
Little Morris Run, Pennsylvania
Coordinates
41.55, -77.53
Scalebar = 10 µm
Slide Number
ANSP GC58966
Site ID
ANSPGCM4331
Site Name
Little Morris Run, Pennsylvania
Coordinates
41.55, -77.53
Scalebar = 10 µm
Slide Number
ANSP GC58966
Site ID
ANSPGCM4331
Site Name
Little Morris Run, Pennsylvania
Coordinates
41.55, -77.53
Scalebar = 10 µm
Site ID
ANSPGCM4331
Name
Little Morris Run, Pennsylvania
Coordinates
41.55, -77.53
Caption
Internal view of rapheless valve
Scalebar = 2 µm
Site ID
ANSPGCM4331
Name
Little Morris Run, Pennsylvania
Coordinates
41.55, -77.53
Caption
External view of rapheless valve
Scalebar = 2 µm
Site ID
ANSPGCM4331
Name
Little Morris Run, Pennsylvania
Coordinates
41.55, -77.53
Caption
Internal view of raphe valve
Scalebar = 2 µm
Site ID
ANSPGCM4331
Name
Little Morris Run, Pennsylvania
Coordinates
41.55, -77.53
Caption
External view of raphe valve
Scalebar = 2 µm