Diatoms of North AmericaDiatoms of North America

Pinnularia

Ehrenb. 1843

Pinnularia Guide
  • Category
    Symmetric Biraphid
  • Class
    Bacillariophyceae
  • Order
    Naviculales
  • Family
    Pinnulariaceae
  • Type Species
    Pinnularia viridis (Nitzsch) Ehrenb.

Displaying 65 of 65 species

Sorted from smallest to largest by maximum length
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Pinnularia marchica Length: 11-20 Width: 4-5 Striae: 10-13
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Pinnularia lagerstedtii Length: 11-26 Width: 5-6 Striae: 9-10
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Pinnularia pluvianiformis Length: 24-28 Width: 5-5 Striae: 13-14
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Pinnularia pseudoparva Length: 22-31 Width: 5-6 Striae: 9-10
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Pinnularia obscura Length: 19-36 Width: 5-6 Striae: 10-16
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Pinnularia perinterrupta Length: 31-37 Width: 6-7 Striae: 12-13
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Pinnularia bigibba Length: 36-38 Width: 5-5 Striae: 11-
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Pinnularia divergentissima var. subrostrata Length: 28-38 Width: 5-6 Striae: 12-14
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Pinnularia subanglica Length: 27-39 Width: 6-7 Striae: 11-14
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Pinnularia saprophila Length: 22-45 Width: 5-6 Striae: 10-12
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Pinnularia divergentissima Length: 28-46 Width: 5-7 Striae: 12-14
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Pinnularia grunowii Length: 38-46 Width: 8-9 Striae: 11-12
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Pinnularia borealis Length: 27-47 Width: 8-10 Striae: 5-6
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Pinnularia gibbiformis Length: 41-48 Width: 5-6 Striae: 12-12
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Pinnularia birnirkiana Length: 28-54 Width: 9-11 Striae: 10-12
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Pinnularia lacunicola Length: 33-55 Width: 6-10 Striae: 11-15
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Pinnularia subcapitata var. elongata Length: 35-56 Width: 5-6 Striae: 11-13
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Pinnularia borealis var. lanceolata Length: 27-56 Width: 8-11 Striae: 5-6
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Pinnularia brebissonii Length: 19-57 Width: 7-10 Striae: 10-13
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Pinnularia lunata Length: 43-60 Width: 6-8 Striae: 11-12
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Pinnularia nodosa Length: 40-65 Width: 7-9 Striae: 9-11
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Pinnularia nodosa var. percapitata Length: 42-69 Width: 7-10 Striae: 10-10
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Pinnularia rabenhorstii Length: 49-71 Width: 12-17 Striae: 4-5
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Pinnularia scotica Length: 54-71 Width: 11-12 Striae: 8-10
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Pinnularia wisconsinensis Length: 55-73 Width: 10-12 Striae: 10-12
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Pinnularia subgibba var. lanceolata Length: 57-74 Width: 8-10 Striae: 9-10
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Pinnularia brauniana Length: 35-74 Width: 7-10 Striae: 9-12
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Pinnularia rhombarea Length: 44-74 Width: 10-12 Striae: 9-11
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Pinnularia suchlandtii Length: 54-75 Width: 11-16 Striae: 10-11
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Pinnularia feremorosa Length: 59-79 Width: 8-8 Striae: 11-12
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Pinnularia lailaensis Length: 61-79 Width: 11-13 Striae: 10-11
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Pinnularia subgibba var. sublinearis Length: 61-79 Width: 9-10 Striae: 9-10
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Pinnularia polyonca var. stidolphii Length: 68-80 Width: 8-10 Striae: 10-12
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Pinnularia microstauron Length: 27-81 Width: 7-12 Striae: 9-11
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Pinnularia acrosphaeria Length: 52-82 Width: 9-12 Striae: 11-13
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Pinnularia subgibba var. undulata Length: 67-83 Width: 8-9 Striae: 8-9
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Pinnularia undula Length: 63-87 Width: 15-17 Striae: 9-10
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Pinnularia parvulissima Length: 40-88 Width: 9-12 Striae: 9-10
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Pinnularia turgidula Length: 48-90 Width: 12-15 Striae: 11-12
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Pinnularia decrescens Length: 80-93 Width: 14-17 Striae: 9-11
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Pinnularia turfosiphila Length: 66-95 Width: 14-18 Striae: 10-12
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Pinnularia lokana Length: 78-118 Width: 12-14 Striae: 8-9
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Pinnularia cardinaliculus Length: 76-123 Width: 15-19 Striae: 8-8
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Pinnularia macilenta Length: 71-124 Width: 14-16 Striae: 7-9
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Pinnularia socialis Length: 71-126 Width: 13-18 Striae: 8-9
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Pinnularia lata Length: 80-127 Width: 23-28 Striae: 3-5
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Pinnularia cuneicephala Length: 79-142 Width: 14-19 Striae: 6-7
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Pinnularia kwacksii Length: 93-154 Width: 11-14 Striae: 12-13
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Pinnularia undula var. major Length: 95-156 Width: 21-24 Striae: 8-11
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Pinnularia clericii Length: 109-158 Width: 13-18 Striae: 7-9
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Pinnularia formica Length: 84-162 Width: 12-18 Striae: 8-9
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Pinnularia subgibba Length: 63-172 Width: 11-13 Striae: 8-9
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Pinnularia streptoraphe Length: 134-174 Width: 24-27 Striae: 5-5
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Pinnularia rexlowei Length: 135-188 Width: 18-23 Striae: 7-8
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Pinnularia bihastata Length: 142-208 Width: 26-30 Striae: 5-6
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Pinnularia spinifera Length: 130-215 Width: 20-25 Striae: 6-8
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Pinnularia transversa Length: 168-225 Width: 16-18 Striae: 8-10
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Pinnularia pulchella var. canadensis Length: 183-232 Width: 29-34 Striae: 6-7
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Pinnularia torta Length: 160-256 Width: 24-31 Striae: 7-8
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Pinnularia pulchella Length: 216-267 Width: 38-48 Striae: 6-7
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Pinnularia nobilis var. regularis Length: 199-269 Width: 32-39 Striae: 5-5
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Pinnularia dariana Length: 170-275 Width: 35-47 Striae: 5-7
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Pinnularia gigas Length: 172-297 Width: 39-64 Striae: 4-5
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Pinnularia ectorii Length: 185-335 Width: 29-44 Striae: 5-6
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Pinnularia alabamae Length: 180-370 Width: 32-48 Striae: 5-6

103 Additional Pinnularia species

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Citations & Links

Citations

Links

Cite This Page

Spaulding, S., Edlund, M. (2009). Pinnularia. In Diatoms of North America. Retrieved June 13, 2026, from https://diatoms.org/genera/pinnularia