Ctenophora
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Category
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ClassFragilariophyceae
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OrderFragilariales
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FamilyFragilariaceae
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Type SpeciesCtenophora pulchella (Ralfs ex Kützing) Williams and Round
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ContributorSarah Spaulding, Mark Edlund - Dec 2008
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ReviewerSam Rushforth - Apr 2010
Displaying 1 of 1 species
Sorted from smallest to largest by maximum length
1 Additional Ctenophora species
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Biodata Reference
Ctenophora pulchella var. lacerata
Citations & Links
Citations
Links
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Index Nominum Algarum
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CAS
Cite This Page
Spaulding, S., Edlund, M. (2008). Ctenophora. In Diatoms of North America. Retrieved May 01, 2026, from https://diatoms.org/genera/ctenophora?x-craft-preview=cab8b13ef68d1e257235fd2491770f51dfe0c9a6c0ad3b95411776e5316d603alxhbyabypv
Araphid
Ctenophora
- Valve elongate, linear-lanceolate
- Central area a thickened fascia with ghost striae
- Rimoportulae present at each pole
- Rimoportula positioned diagonally
Ctenophora frustules are elongate and linear-lanceolate in valve outline. The central part of the valve has a thickened area, or fascia, with faint, ghost striae. Each pole contains a rimoportula, positioned near the axial area. The rimoportula is positioned diagonally. Living cells grow in tuft-like colonies, attached to surfaces by...