Diatoms of North AmericaDiatoms of North America

Orthoseira

Thwaites 1848

Orthoseira Guide
  • Category
    Centric
  • Class
    Coscinodiscophyceae
  • Order
    Orthosirales
  • Family
    Orthoseiraceae
  • Type Species
    Orthoseira americana (Kütz.) S.A.Spauld. and Kociolek

Displaying 2 of 2 species

Sorted from smallest to largest by maximum length
alt
Orthoseira oregoniana Diameter: 19-46 Width: 0-0 Striae: 4-5
alt
Orthoseira roeseana Diameter: 22-50 Striae: 6-7

1 Additional Orthoseira species

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Cite This Page

Spaulding, S., Edlund, M. (2008). Orthoseira. In Diatoms of North America. Retrieved December 14, 2025, from https://diatoms.org/genera/orthoseira

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