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Category
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Class
Fragilariophyceae
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Order
Fragilariales
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Family
Sorted from smallest to largest by maximum length
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Links
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Index Nominum Algarum
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CAS
Spaulding, S.,
Edlund, M.
(2008).
Pseudostaurosiropsis.
In Diatoms of North America.
Retrieved June 25, 2022, from https://diatoms.org/genera/pseudostaurosiropsis
Araphid
Pseudostaurosiropsis
- Striae uniseriate, radial
- Apical porefield present at each pole
- Valve margin spinose
- Spines flattened, bifurcate
Pseudostaurosiropsis includes species that are small, with elliptic to rounded valves. The striae are uniseriate, composed of 2-6 round areolae externally occluded with discoid volae. Two apical porefields are present, composed of a few, isolated pores. Spines are present at the valve margin, aligned with a stria. The spines are...