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Home / Diatoms / Centric / Unicells / Coscinodiscus / Images
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Coscinodiscus (Bacillariophyceae)
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Coscinodiscus sp.
Many small discoid chloroplasts are evident.
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Coscinodiscus sp.
Larger discoid chloroplasts. Uniform distribution of puntae.
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Coscinodiscus sp.
Focus on peripheral chloroplasts
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Coscinodiscus sp.
Many silicaceous spicules can be seen radiating outward from the cell
perimeter.
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Coscinodiscus sp.
Silicaceous spicules appear to radiate outward in six planes, in this girdle
image.
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Coscinodiscus sp.
Casco Bay off Falmouth, Maine USA 31 Oct 2007
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Coscinodiscus sp. with collapsing (?)
protoplast
Casco Bay off Falmouth, Maine USA 31 Oct 2007
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Coscinodiscus sp. valve view, dividing, new
(inner) valves incomplete with non-visible punctae
Casco Bay off Falmouth, Maine USA 31 Oct 2007
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Coscinodiscus sp.
Casco Bay off Falmouth, Maine USA 31 Oct 2007
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Coscinodiscus sp.
Casco Bay off Falmouth, Maine USA 31 Oct 2007
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Coscinodiscus sp. with eccentric aberration;
same cell, different focal planes
Casco Bay off Falmouth, Maine USA 31 Oct 2007
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Coscinodiscus sp. with sparse chloroplasts
and lipids
Casco Bay off Falmouth, Maine USA 31 Oct 2007
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Coscinodiscus sp. with dense chloroplasts
and lipids
Casco Bay off Falmouth, Maine USA 31 Oct 2007
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Coscinodiscus cf. ovicentrum from fossil deposits, St. Laurent, France.
Photograph by © David "Frez" Tetreault, Plaistow NH USA with bright field, a composite
of 17 images, post-processing with Adobe PhotoShop, measurement taken
with Zeiss AxioVision.
Note: Central region is at low focus.
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Coscinodiscus cf. ovicentrum from fossil deposits, Oamaru, NZ at the Bains location.
Photograph by © David "Frez" Tetreault, Plaistow NH USA with bright field, a composite
of 28 images, post-processing with Adobe PhotoShop, measurement taken with
Zeiss AxioVision.
Note: Central region is at high focus.
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Home / Diatoms / Centric / Unicells / Coscinodiscus/ Images
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