Odd diatoms

Images made through a microscope. All subject types.

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pwnell
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Joined: Fri Dec 18, 2009 4:59 pm
Location: Tsawwassen, Canada

Odd diatoms

Post by pwnell »

At least for me ... I have never seen these. They are from my reef aquarium.

PS: Maybe the second one is busy dying? Normally it has a golden colouration throughout the frustule.

Image
40x, DIC

Image
40x, DIC
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René
Posts: 467
Joined: Sun Oct 08, 2006 4:22 am

Post by René »

I'm not altogether sure, but the first one might be a Donkinia, if what I see is a raphe running over the valve face in a S shape like a Pleurosigma.

Best wishes, René
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