Amphorotia
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Category
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ClassBacillariophyceae
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OrderEunotiales
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FamilyEunotiaceae
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Type SpeciesAmphorotia clevei Williams and Reid
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ContributorSarah Spaulding, Mark Edlund - Jan 2009
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ReviewerSam Rushforth - Apr 2010
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Sorted from smallest to largest by maximum length
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Citations & Links
Citations
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Publication Link: 10.1080/0269249X.2000.9705496
Links
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CAS
Cite This Page
Spaulding, S., Edlund, M. (2009). Amphorotia. In Diatoms of North America. Retrieved September 21, 2023, from https://diatoms.org/genera/amphorotia
Eunotioid
Amphorotia
- Valves slightly, to stongly, asymmetric to the apical axis
- Valve symmetric to transapical axis
- Rimoportulae two per valve
- Sternum on valve face
- Valves greater than 60 µm in length
Valves of Amphorotia are large in size, generally greater than 60 µm in length. The valves are asymmetric to the apical axis and symmetric to the transapical axis. In addition, the frustules are asymmetric to the transapical plane, so that the dorsal mantle is very broad as compared to the ventral mantle. Each valve has two rimoportulae,...