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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
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What are diatoms?
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Images of
Planothidium
biporomum
(M.H.Hohn and Hellerman) Lange-Bert. 1999
Type Specimen
Slide Number
ANSP GC3872b
Site ID
ANSP GCM3521(5)
Site Name
Station 5, Savannah River, South Carolina
Scalebar = 10 µm
Slide Number
ANSP GC44261a
Site ID
ANSP GCM3521(3)
Site Name
Savannah R., GA, st.3
Notes
holotype slide
Scalebar = 10 µm
Slide Number
ANSP GC3872b
Site ID
ANSP GCM3521(5)
Site Name
Station 5, Savannah River, South Carolina
Scalebar = 10 µm
Site ID
ANSP GCM3521(3)
Name
Savannah R., GA, st.3
Caption
Internal view of a raphe valve
Scalebar = 5 µm
Site ID
ANSP GCM3521(3)
Name
Savannah R., GA, st.3
Caption
Internal view of a rapheless valve
Scalebar = 5 µm
Site ID
ANSP GCM3521(3)
Name
Savannah R., GA, st.3
Caption
External view of a raphe valve
Scalebar = 5 µm
Site ID
ANSP GCM3521(3)
Name
Savannah R., GA, st.3
Caption
External view of a rapheless valve
Scalebar = 5 µm