Diatoms of North AmericaDiatoms of North America

Semiorbis

Patrick in Patrick and Reimer 1966

Semiorbis Guide
  • Category
    Eunotioid
  • Class
    Bacillariophyceae
  • Order
    Eunotiales
  • Family
    Eunotiaceae
  • Type Species
    Semiorbis hemicyclus (Ehrenb.) Patrick in Patrick and Reimer

Displaying 4 of 4 species

Sorted from smallest to largest by maximum length
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Semiorbis hemicyclus Length: 11-28 Width: 2-4 Striae: 11-14
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Semiorbis catillifera Length: 17-40 Width: 4-5 Striae: 12-13
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Semiorbis eliasiae Length: 16-40 Width: 3-5 Striae: 8-12
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Semiorbis rotundus Length: 32-45 Width: 3-4 Striae: 12-13

Cite This Page

Edlund, M., Burge, D. (2015). Semiorbis. In Diatoms of North America. Retrieved November 08, 2025, from https://diatoms.org/genera/semiorbis

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