Pinnularia Ehrenb.

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Pinnularia streptoraphe Cleve 1891

scale bar 10um valves linear, margins paralel, broad-rounded apices, central area is asymmetric. raphe undulates. 

Photographer/artist Karolina Brylka

Additional image information

Pinnularia streptoraphe Cleve 1891
Karolina Brylka
Karolina Brylka
scale bar 10um valves linear, margins paralel, broad-rounded apices, central area is asymmetric. raphe undulates. 
Geographic area
Lake - Sweden
Creative Commons Attribution-NoDerivs 3.0 Unported
Light microscopy
Not described
Contrast enhancement
Acid cleaned and mounted in resin with high refractive index
No stain
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Subordinate taxa

Illustration Taxon name
Pinnularia acuminata
Pinnularia appendiculata
Pinnularia bacilliformis
Pinnularia bertrandi
Pinnularia biceps
Pinnularia borealis
Pinnularia brauniana
Pinnularia brebissonii
Pinnularia bullacostae
Pinnularia clevei
Pinnularia crucifera
Pinnularia cruxarea
Pinnularia dactylus
Pinnularia decrescens
Pinnularia divergens
Pinnularia divergentissima
Pinnularia eifelana
Pinnularia elegans
Pinnularia esoxiformis
Pinnularia frequentis
Pinnularia gibba
Pinnularia gibbiformis
Pinnularia globiceps
Pinnularia graciloides
Pinnularia grunowii
Pinnularia hemiptera
Pinnularia intermedia
Pinnularia interrupta
Pinnularia interrupta var. minutissima
Pinnularia interruptiformis
Pinnularia irrorata
Pinnularia isselana
Pinnularia ivaloensis
Pinnularia krammeri
Pinnularia krookii
Pinnularia kuetzingii
Pinnularia lange-bertalotii
Pinnularia lokana
Pinnularia lundii
Pinnularia macilenta
Pinnularia major
Pinnularia marchica
Pinnularia mesolepta
Pinnularia microstauron
Pinnularia neomajor
Pinnularia nobilis
Pinnularia nodosa
Pinnularia obscura
Pinnularia obscuriformis
Pinnularia peracuminata
Pinnularia perirrorata
Pinnularia pisciculus
Pinnularia polaris
Pinnularia polyonca
Pinnularia renata
Pinnularia rhombarea
Pinnularia rupestris
Pinnularia schoenfelderi
Pinnularia schroeterae
Pinnularia septentrionalis
Pinnularia silvatica
Pinnularia similiformis
Pinnularia sinistra
Pinnularia stomatophora
Pinnularia subanglica
Pinnularia subcapitata
Pinnularia subcommutata
Pinnularia subfalaiseana
Pinnularia subgibba
Pinnularia subrupestris
Pinnularia subsolaris
Pinnularia sudetica
Pinnularia tirolensis
Pinnularia undula
Pinnularia viridiformis
Pinnularia viridis


Species Pinnularia
Class Diatomophyceae (Bacillariophyceae)
Trophy AU
Geometric shape half parallelepiped
Formula l*w*h/2
Size class 1
Unit cell
Size range 24x147
Length(l1), µm 147.0
Width(w), µm 24
Height(h), µm 24.0
No. of cells/counting unit 1
Calculated volume, µm3 42 336
Calculated Carbon pg/counting unit 1 628


Olenina, I., Hajdu, S., Edler, L., Andersson, A., Wasmund, N., Busch, S., Göbel, J., Gromisz, S., Huseby, S., Huttunen, M., Jaanus, A., Kokkonen, P., Ledaine, I. and Niemkiewicz, E. 2006 Biovolumes and size-classes of phytoplankton in the Baltic Sea HELCOM Balt.Sea Environ. Proc. No. 106, 144pp. (PDF),

Change History

  • 2020-02-23 22:49:17 Karolina Brylka - Updated media metadata for Pinnularia_1.jpg
  • 2020-02-23 22:46:06 Karolina Brylka - Added media: Pinnularia_1.jpg